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Motivated from the shortage of the existing research studies on impacts of dangerously contagious diseases on firms' financial performance, this study sheds light on the impacts of Coronavirus (Covid-19) outbreak on financial performance upon on the quarterly data of 126 Chinese listed firms across 16 industries. Overall, the Covid-19 outbreak reduced Chinese listed firms' financial performance proxied by the revenue growth rate, ROA, ROE, and asset turnover. This outbreak's negative effects on Chinese firms' profitability were much smaller than that on their revenue growth rates. While this outbreak's negative effects on financial performance of Chinese listed firms were bigger for those that were seriously affected by this pandemic like airlines, travel, and entertainment (ATE), this pandemic's effects were positive for the medicine industry. In the meanwhile, Chinese listed firms that located in high-risk regions suffered a bigger financial loss during the outbreak, and especially there was a strong Hubei effect. The corporate culture and CSR moderated the inverse relationship between this outbreak and Chinese firms' financial performance. Findings of this study contribute to enrich the existing literature on impacts of the Covid-19 outbreak on firms' financial performance worldwide and suggest helpful practical and theoretical implications.
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INTRODUCTION: Vaccine-induced thrombocytopenia and thrombosis (VITT) is a rare but devastating adverse event associated with the ChAdOx1 nCoV-19 (Oxford-AstraZeneca) adenoviral vaccine against the Severe Acute Respiratory Syndrome CoronaVirus-2 (SARS-CoV-2). METHODS: A 49-year-old man presented to the emergency department with acute right limb ischemia (Rutherford IIB) nine days after his ChAdOx1 nCoV-19 (Oxford-AstraZeneca) vaccination. CT angiography revealed significant aortic thrombosis and right femoral artery occlusion. Severe thrombocytopenia (platelet count of 23 × 103/µL), promptly elevated D-dimers (37937 ng/mL) and a reduced fibrinogen level (176 mg/dL) were remarkable. ELISA testing for anti-PF4 antibodies confirmed the diagnosis of VITT. RESULTS: An emergency revascularization of the right leg was provided via thrombectomy. High-dose intravenous immunoglobulins were administered whereafter the platelet count restored gradually. Therapeutic anticoagulation was progressively started. The postoperative course was uneventful and follow-up imaging after four weeks showed an almost complete resolution of the significant aortic thrombosis. CONCLUSION: Early recognition and appropriate counseling of VITT is advocated to pursue a good clinical outcome. Our patient presenting with severe aortic thrombosis and acute limb ischemia was successfully treated by a vascular thrombectomy along with intravenous immunoglobulins and anticoagulation therapy as the mainstay therapy.
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In this paper, we convert the recent COVID-19 model with the use of the most influential theories, such as variable fractional calculus and fuzzy theory. We propose the fuzzy variable fractional differential equation for the COVID-19 model in which the variable fractional-order derivative is described using the Caputo-Fabrizio in the Caputo sense. Furthermore, we provide the results on the existence and uniqueness using Lipschitz conditions. Also, discuss the stability analysis of the present new COVID-19 model by employing Hyers-Ulam stability.
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The recombinant receptor-binding domain (RBD) of the viral spike protein from SARS-CoV-1 and 2 are reliable antigens for detecting viral-specific antibodies in humans. We and others have shown that the levels of RBD-binding antibodies and SARS-CoV-2 neutralizing antibodies in patients are correlated. Here, we report the expression and purification of properly folded RBD proteins from SARS and common-cold HCoVs in mammalian cells. RBD proteins were produced with cleavable tags for affinity purification from the cell culture medium and to support multiple immunoassay platforms and drug discovery efforts. Graphic abstract: High-Yield Production of Viral Spike RBDs for Diagnostics and Drug Discovery.
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COVID-19 patients have presented with a wide range of neurological disorders, among which stroke is the most devastating. We have reviewed current studies, case series, and case reports with a focus on COVID-19 patients complicated with stroke, and presented the current understanding of stroke in this patient population. As evidenced by increased D-dimer, fibrinogen, factor VIII and von Willebrand factor, SARS-CoV-2 infection induces coagulopathy, disrupts endothelial function, and promotes hypercoagulative state. Collectively, it predisposes patients to cerebrovascular events. Additionally, due to the unprecedented strain on the healthcare system, stroke care has been inevitably compromised. The underlying mechanism between COVID-19 and stroke warrants further study, so does the development of an effective therapeutic or preventive intervention.
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OBJECTIVES: As the coronavirus 2019 pandemic puts strains on current models of otolaryngology practice, telemedicine is an attractive way for otolaryngologists to reduce in-person appointments while still addressing the health of their patients. This systematic review of the literature aims to identify the evidence basis for using telemedicine in otolaryngology practice to limit person-to-person interactions while achieving comparable quality to in-person services. METHODS: The authors gathered articles from three databases (Embase, PubMed and Web of Science), performed a comprehensive literature review of articles published on telemedicine since 2002, and selected articles for inclusion based on their relevance to otolaryngology and the potential of the intervention to improve patient social distancing. RESULTS: A total of 7153 articles were identified from the initial query. After review, 35 met the inclusion criteria. Of the included articles, 32 (91%), found their specific telemedicine intervention to be effective when compared to in-person services. Twenty articles (57%) were related to remote otoscopy. Other telemedical interventions included videoconferencing for peri-operative visits, diagnosis of peritonsillar abscess, telephone-based voice evaluations and evaluation of nasal fractures. CONCLUSIONS: Video-otoscopy is the most well-supported telemedical intervention which limits physical contact between otolaryngologists and their patients. Other interventions have also demonstrated efficacy but have yet to be as widely validated as video-otoscopy. Telehealth facilitators play a key role in providing high-quality telehealth services. More invasive procedures, such as laryngoscopy, require further evidence to demonstrate definite benefits in a telemedicine setting.
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The spreading of the Corona Virus Disease 2019 (COVID-19) pandemic could be associated with psychosocial implications. This study, therefore, aimed to investigate the psychosocial disturbances before and during the COVID-19 pandemic. The cross-sectional study included 20,885 participants (12,343 females and 8,542 males) with psychosocial trauma who were selected by the census sampling method from Fars province, Iran. The mean age of participants in this study was 35.76 (7.52). The results showed that the incidence rate for psychosocial disturbances was 150.86 and 273.69 per 100,000 cases prior to and during the COVID-19 pandemic, respectively. Analysis showed that reports of spousal abuse, child abuse, elderly abuse, disability abuse, the violence of other relatives, child labor, divorce petition, acute family dispute, unemployment/financial problems, substance abuse, and health questions about COVID-19 increased significantly during the COVID-19 pandemic. This study shows that the COVID-19 pandemic influences the increase of psychopathology and social pathology. Therefore, recommends a comprehensive assessment to prevent and address the psychosocial consequences associated with COVID-19.
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The COVID-19 pandemic has created new opportunities for organized criminal groups and confronted them with new challenges. Analysis of how these groups have reacted to the pandemic yields better understanding of how they work and enables the devising of more effective counter-strategies. To this end, we identified illustrative cases regarding the provision of illegal governance and infiltration of the legal economy by conducting a systematic content analysis of international media articles and institutional reports published during the first eight months after the outbreak of the pandemic (January to August 2020). These cases were further analyzed in order to cluster the behavior of criminal groups in response to the COVID-19 emergency, and the means by which they tried to exploit the pandemic to strengthen their political and economic power. We found that different governance-type criminal groups proposed themselves as institutions able to mitigate the burdens imposed by the pandemic by providing support to people in need and enforcing social-distancing measures. Further, identified cases did not provide evidence of groups devoted to the provision of illicit services and goods assuming any governance role. In this respect, the available evidence supports previous knowledge about organized crime. Cases of misappropriation of public funds and organized crime infiltration of the legal economy seem less common, at least in the first phase of the pandemic. The wholesale distribution of pharmaceuticals and medicines has been the sector targeted the most.
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Social isolation and loneliness are ongoing threats to health made worse by the coronavirus disease 2019 (COVID-19) pandemic. During the pandemic, half the globe's population have been placed under strict physical distancing orders and many long-term care facilities serving older adults went into lockdown mode, restricting access to all visitors, including family members. Before the pandemic emerged, a 2020 National Academy of Sciences, Engineering and Medicine report warned of the underappreciated adverse effects of social isolation and loneliness on health, especially among older populations. Social isolation and loneliness predict all-cause mortality at rates that rival clinical risk factors, such as obesity and smoking; they are associated with greater incidence of psychological, cognitive, and physical morbidities. This paper sets forth a proposal to design robots to function as companions and friends for socially isolated and lonely older people during pandemic emergencies and in aging societies more generally. "The proposal" section presents and defends the proposal. The "Replies to objections" section answers objections based on coercive design, replacement of humans with robots, privacy incursions, and counterfeit companionship. The "Conclusion" section submits that sociable robots offer a promising avenue for addressing social isolation and loneliness during pandemics and hold promise for aging societies more broadly.
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COVID-19 outbreak has re-designed business activities and changed the priorities in our lives. Since the pandemic is a sign of overexploitation of our habitat, it has stressed the importance of sustainable and resilient businesses and ‘stakeholderism'. A recent survey conducted by Willis Towers Watson (WTW) revealed that 74 percent of the American companies proceed with their executive compensation frameworks widely consistent with last year's;only 12 percent stated that they will make substantive changes in their corporate governance and remuneration structures. Surprisingly, the survey result does not alter too much in the Nordic countries which are egalitarian and stakeholder-oriented. Three-fifth (57 to 61 percent) of the employers in Norway, Sweden, Denmark, and Finland expressed that they are not planning to change the structure of the executive schemes and that one-fourth (24 to 26 percent) are still unsure. Therefore, this book chapter, as a commentary, aims to disclose and interpret the survey results from the Nordic countries perspective and guide the practitioners and academics on how the corporate governance systems and executive compensation schemes should be modified to reach fair, resilient, and sustainable businesses based on the key takeaways from the COVID recession and stakeholder theory. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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The global burden of TB disease is characterised by inequalities throughout the cascade of care. These inequalities are evident across regions and within countries. Indeed, populations with the highest burden of TB disease have the least access for TB health services for prevention, timely diagnosis, appropriate treatment and follow-up. In the face of global health emergencies such as COVID-19, these inequalities increase, resulting in worse outcomes for key populations that are already disproportionately affected by TB disease. Children bear the biggest brunt of the inequalities in the TB cascade of care. There is therefore an urgent need to address these, in line with the United Nations SDGs for improving health and well-being for all.Copyright © ERS 2023.
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Objective: Coronavirus disease 2019 (COVID-19), a severe acute respiratory infection, has spread rapidly around the world. To expand and enhance knowledge regarding virus prevention/transmission, this study aimed to evaluate the knowledge, attitudes, and practices of emergency medical services (EMS) workers as a part of the health care system because of their essential role in the front lines of the COVID-19 outbreak. Method(s): An online cross-sectional survey was conducted on EMS workers to assess their knowledge, attitudes, and practices toward COVID-19. The questionnaire included 5 topics: demographic information, knowledge and attitude questions, professional behavior of employees during the epidemic, and anxiety score. Result(s): A total of 86 EMS workers answered the questionnaire, and 55.63% of the respondents answered the knowledge questions correctly;knowledge appeared to have no correlation to their education, age, or experience. In addition, there was no apparent correlation between the infection rate and exposure to an infected or suspected patient. Conclusion(s): The findings of the present study indicate that more than half of the EMS workers have good knowledge about the epidemic, and the level of knowledge was not related to their demographic characteristics. The results of professional behaviors showed a high level of compliance with the principles and guidelines by workers, and the absence of a relationship between employees' contamination and exposure to infected patients supports the awareness and legality of EMS workers.Copyright © 2023 Air Medical Journal Associates
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Introduction. Targeted at the hemostatic system and the vascular endothelium, COVID-19 triggers the pathogenetic cascade of disorders in these systems. This cascade leads to the cerebral infarction, significant aggravation of other neurovas-cular diseases and neurological disorders, which requires an in-depth study. Objective: to identify the impact of factors selected among 21 candidate genes and metabolic markers on disease severity and the probability of death from SARS-CoV-2 infection in patients with a history of ischemic stroke (IS) and apparently healthy participants. Materials and Methods. We analyzed genetic, clinical, and laboratory findings in 85 patients with IS occurred at least one year before the study. During the first stage, participants were divided into three groups: Group 1 — 25 patients with a history of IS and COVID-19 at least one year prior to the study;Group 2 — 35 patients with IS history and no clinical manifestations or known COVID-19 history at baseline;and Group 3 — 20 apparently healthy participants as controls who had no clinical manifestations or information about a positive test for COVID-19 at baseline (November 2021). During the second stage, a new Group 4 included 25 patients with a history of IS who were treated for COVID-19 at baseline. Single venous blood tests were used to assess the levels of metabolic markers and identify genetic polymorphisms of hemostasis, immune response, endothelial function, and lipid metabolism in all study participants. Results. We identified the significant factors that determined the irreversible effects (damage) and fatal outcomes in patients with COVID-19 via the throm-bophilia genetic polymorphisms variations as follows: F13 encoding fibrin-stabilizing factor XIII — fibrinase (statistical probability of the factor influence > 90%), and SERPINE1 encoding endothelial plasminogen activator inhibitor-1 (PAI-1;statistical probability of the factor influence > 95%). High admission levels of homocysteine, interleukin-6, and activated partial thromboplastin time in patients with COVID-19 were associated with a severe disease course and fatal outcomes. Conclusion. Information about gene variations that trigger thrombosis and the adequate immune response can improve the effectiveness of specific therapy. Patients should understand their genetic profile, since this knowledge may prevent COVID-19 complications and significantly reduce the risk of a vascular catastrophe. © Dutova T. I., Banin I. N., Sazonov I. E., Peleshenko E. I., 2023.
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Current pandemic implies changes in patient care in rheumatology to reduce the risk of coronavirus transmission to patients visiting health-care facilities, by organizing less frequent blood tests, using teleconsultations, and switching from intravenous to subcutaneous drug administration. Patients under immunosuppressive treatment are considered at high risk of severe outcome and are protected accordingly by the Swiss authorities. However, current, scarce scientific evidence suggests that patients under immunosuppressive therapy do not necessarily develop severe COVID-19 presentations. Therefore, the current guidelines recommend pursuing the treatment throughout the pandemic. In case of SARS-CoV-2 infection, immunosuppressive drugs should be temporarily stopped, except for glucocorticoids, hydroxychloroquine and sulfasalazine.Copyright © 2020 Editions Medecine et Hygiene. All rights reserved.
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Objectives: We aimed at examining whether patients with rheumatological conditions receiving chronic hydroxychloroquine therapy are at a lower risk of developing SARS-CoV-2 infection than those not receiving hydroxychloroquine. Method(s): This historical cohort study included information of all patients aged 18 years or older with rheumatoid arthritis, systemic lupus erythematosus, or associated rheumatological conditions (based on International Classification of Diseases, 10th edition, diagnostic codes). A propensity score was calculated for each patient, and each patientwho was receiving hydroxychloroquine was matched to two patients who were not receiving hydroxychloroquine (controls). The primary endpoint was the proportion of patients with PCR-confirmed SARS-CoV-2 infection among those receiving chronic hydroxychloroquine versus the propensity-matched patients not receiving chronic hydroxychloroquine in 2021. Result(s): 322 patients receiving hydroxychloroquine and 645 patients not receiving hydroxychloroquine were included in the primary analysis. The incidence of active SARS-CoV-2 infections during the study period did not differ between patients receiving hydroxychloroquine and patients not receiving hydroxychloroquine ( [0 3%] vs 78 [0 4%] of 21406;odds ratio 0 79, 95% CI 0 52-1 20, p = 0 27). There were no significant differences in secondary outcomes between the two groups of patients who developed active SARS-CoV-2 infection. For all patients in the study, overall mortality was lower in the hydroxychloroquine group than in the group of patients who did not receive hydroxychloroquine (odds ratio hydroxychloroquine was not associated with the development of active SARS-CoV-2 infection (odds ratio 0 79, 95% CI 0 51-1 42) Conclusion(s): Hydroxychloroquine was not associated with a protective effect against SARS-CoV-2 infection in a large group of patients with rheumatological conditions.
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Objective: The purpose of this review is to define the feeling of loneliness within a couple while taking into consideration the factors that lead a person to feel lonely in a couple or in a romantic relationship. Our goal is to understand the effects of the feeling of loneliness on these individuals during the global health crisis brought on by COVID-19 and to take these factors into account in designing effective therapeutic care. The different manifestations of loneliness in a couple should also be highlighted. Method(s): We used the PRISMA methodology to select the relevant studies. The keywords ("Solitude" or "Loneliness") and ("Couple" or "Married" or "Partnership") allowed us to select 19 references dealing with the theme. We conducted searches of the following databases: "Cairn", "PsychInfo and Psycarticle", "PubMed and Medline", "ScienceDirect" and finally, "Web of Science" in order to find articles covering a ten-year period. Result(s): There are different definitions for the subjective experience of loneliness. The review of the literature highlights the fact that loneliness can lead to positive or negative psychological consequences (it can lead to the development of creative capacity or, on the contrary, result in depression in some cases). Attachment patterns have been shown to be the basis for the tolerance of feelings of loneliness. Indeed, an anxious attachment would encourage the couple to avoid the feeling of loneliness. According to the literature, this defensive mechanism of seeking presence in the couple would make it possible to limit the impact of loneliness. This solitude depends on the level of relational quality within the couple. A poor relational quality would lead to greater loneliness and would impact intimate relationships. Loneliness is supposedly not experienced in the same way by men and women: Men seem to be more protected by marriage while women's level of loneliness may be higher because of the household chores they have to do. Men and women would nevertheless remain subject to the phenomena of contamination, i.e., when one of the partners feels lonely, the other will also be lonely. However, it seems that marriage protects against feelings of loneliness and its negative consequences. Loneliness does not have only negative effects. It can be beneficial for developing creativity and finding oneself. The periods of confinement during the COVID-19 crisis provided people with an increase in the amount of time they didn't normally have on a daily basis. This may have been beneficial for some people and can be associated with positive emotions. Individuals who spent the lockdowns with others felt less alone and experienced less psychological distress. However, confinements did produce some negative effects on couples. The increased stress of the pandemic and the constant proximity led to an increase in spousal abuse. The consequences of confinement for couples whose relationships were already troubled resulted in frequent separation and/or divorce. The potential for conflict was related to limited financial resources, not working, and the significant risk of contracting SARS COV-2. Conclusion(s): The articles dealing with the feeling of loneliness that we reviewed presented quantitative methods to the detriment of qualitative aspects and focused largely on the negative aspects of the feeling of loneliness. Other academic disciplines, such as sociology, demonstrate a lack of understanding concerning what is at stake with the feeling of loneliness. The articles intersect and tend to highlight the attachment relationships that are formed in childhood as a determining factor in the feeling of solitude later in life. The quality of the relationship, gender, and marital status are also factors to be considered. Loneliness has a clear influence on the well-being of the relationship but it is not an individual characteristic of the relationship itself. It finally appears as an individual characteristic with an impact on the assessment of the quality of the relationship and on the appreciatio of the spouse.Copyright © 2023 Elsevier Masson SAS
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A significant proportion of people infected with SARS-CoV-2 report a new onset of smell or taste loss. The duration of the chemosensory impairment and predictive factors of recovery are still unclear. In this study, we aim to describe the prevalence and features of loss of smell (anosmia) and loss of taste (ageusia) in Covid-19 patients. This study was done during second wave of Covid -19 to assess the smell and taste sensations dysfunction in Covid-19 infected subjects. Subjects above age of 18 years who were infected with Covid -19 virus and recovered from Covid-19 infection were included in this study. 50.49 % subjects had loss of smell sensation. 36.76% subjects had loss of taste sensation, whereas 34.31 % subjects had loss of both smell and taste sensation. Chemosensitive dysfunction is associated with coronavirus disease and may be the only symptom that presents the disease. Smell and taste loss are highly prevalent in COVID-19.
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Objective To investigate the clinical significance of serum interleukin 6 (IL-6) in elderly patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) omicron variant and its correlation with underlying diseases. Methods A total of 22 elderly patients (>80 years old) infected with omicron variant, who were admitted to Department of Infectious Diseases, The First Affiliated Hospital of Naval Medical University (Second Military Medical University) from Apr. to Jun. 2022 and tested positive for SARS-CoV-2 RNA, were included. The level of serum IL-6 was measured by flow cytometry, and the level of serum C reactive protein (CRP) was measured by immunonephelometry. Patients were divided into pneumonia group (16 cases) and non-pneumonia group (6 cases) according to the imaging examination results, and were divided into severe group (severe and critical type, 5 cases) and non-severe group (mild and normal type, 17 cases) according to the condition. Binary logistic regression model and receiver operating characteristic (ROC) curve were used to analyze the correlation between serum IL-6 and CRP levels and the severity of the disease and whether it would progress to pneumonia. Meanwhile, the relationships between underlying diseases and serum IL-6 level were explored. Results Among the 22 patients, 6 were mild, 11 were normal, 3 were severe, and 2 were critical. The baseline serum IL-6 level in the pneumonia group was significantly higher than that in the non-pneumonia group ([20.16+/-12.36]pg/mL vs [5.42+/-1.57] pg/mL, P=0.009), and there was no significant difference in baseline serum CRP level between the 2 groups (P>0.05). There were no significant differences in baseline serum IL-6 or CRP levels between the severe group and the non-severe group (both P>0.05). Logistic regression analysis showed that the baseline serum IL-6 and CRP might be related to pneumonia after infection with omicron variant (odds ratio [OR]=2.407, 95% confidence interval [CI]0.915-6.328;OR=1.030, 95% CI 0.952-1.114). ROC curve analysis showed that the area under curve values of serum IL-6 and CRP in predicting the progression to pneumonia were 0.969 (95% CI 0.900-1.000) and 0.656 (95% CI 0.380-0.932), respectively, with statistical significance (Z=2.154, P=0.030). There were no significant differences in the baseline serum IL-6 level or proportions of severe patients or pneumonia patients among patients with or without hypertension, diabetes mellitus, coronary heart disease, chronic kidney disease or chronic obstructive pulmonary disease (all P>0.05). The baseline serum IL-6 levels of the omicron variant infected elderly patients with 1, 2, and 3 or more underlying diseases were 12.50 (9.15, 21.75), 23.55 (9.63, 50.10), and 10.90 (5.20, 18.88) pg/mL, respectively, with no statistical significance (P>0.05). Conclusion For omicron variant infected patients, serum IL-6 level is significantly increased in patients with pneumonia manifestations and is correlated with disease progression. Serum IL-6 level is of great guiding significance to judge disease progression and evaluate efficacy and prognosis of elderly coronavirus disease 2019 patients.Copyright © 2022, Second Military Medical University Press. All rights reserved.
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Objectives: To evaluate the association between the ABO and Rh antigens and the clinical characteristics and evolution of the SARS-CoV-2 infection in patients with rheumatic diseases. Method(s): SAR-COVID is a national, longitudinal, and observational registry. Patients >=18 years of age with a diagnosis of inflammatory or degenerative rheumatic disease, and confirmed SARS-CoV-2 infection (RT-PCR or serology) were included. Data were collected from August 2020 to June 2022. Sociodemographic, clinical data, comorbidities, underlying rheumatic disease, disease activity, and its treatment at the time of infection were recorded, aswell as symptoms, complications and treatments received for COVID-19. The WHO ordinal scale (WHO-OS) was used, and severe COVID-19was defined as WHO-OS>=5. Patients were categorized as follows: blood group A or non-A, and Rh factor positive or negative. Result(s): A total of 1356 patients were included, 547 (40,3%) had blood group A and 809 non-A (59,7%). Regarding the Rh factor, 1230 (90,7%)were positive and 126 (9,3%) negative. Age, sex, ethnicity and comorbidities were comparable between both groups. In both cases, the most frequent rheumatic diseases were rheumatoid arthritis (38,9%;p = 0,052), systemic lupus erythematosus (17,4%;p = 0,530) and osteoarthritis (10,1%;p = 0,888). Patients with non-A blood type presented a higher frequency of psoriatic arthritis (group A 5,1% vs non-A 8,7%;p = 0,015). During SARS-CoV-2 infection, more than 90% of patients in both groups were symptomatic (group A 96.0% vs non-A 94,8%;p = 0,384). Non-A blood group patients had a significantly higher frequency of arthralgia and dysgeusia. In A blood group 18.5% of the patients required hospitalization, 41,0% of them were admitted in the intensive care unit and 5.9% presented complications, while in the non-A blood group, were 16,7%, 31,1% and 5,5%, respectively (p > 0,05 in all the cases). The most frequent complications in both groups were respiratory distress syndrome and sepsis (p > 0,05). The outcome of the COVID-19 infection is detailed in Figure 1. In the multivariate analysis, adjusted for poor prognostic factors, patients with A blood type and those with negative Rh factor presented more likely severe COVID-19. (OR 1,75, 95%CI 1,20-2,56, p = 0,003 and OR 2,63, 95%CI 1,45-4,55, p = 0,001, respectively). Conclusion(s): Blood type A and negative Rh factor were associated with worse COVID-19 outcomes in this national cohort of patients with rheumatic diseases.