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BMC Infect Dis ; 22(1): 558, 2022 Jun 19.
Artigo em Inglês | MEDLINE | ID: mdl-35718768


BACKGROUND: A global pandemic has been declared for coronavirus disease 2019 (COVID-19), which has serious impacts on human health and healthcare systems in the affected areas, including Vietnam. None of the previous studies have a framework to provide summary statistics of the virus variants and assess the severity associated with virus proteins and host cells in COVID-19 patients in Vietnam. METHOD: In this paper, we comprehensively investigated SARS-CoV-2 variants and immune responses in COVID-19 patients. We provided summary statistics of target sequences of SARS-CoV-2 in Vietnam and other countries for data scientists to use in downstream analysis for therapeutic targets. For host cells, we proposed a predictive model of the severity of COVID-19 based on public datasets of hospitalization status in Vietnam, incorporating a polygenic risk score. This score uses immunogenic SNP biomarkers as indicators of COVID-19 severity. RESULT: We identified that the Delta variant of SARS-CoV-2 is most prevalent in southern areas of Vietnam and it is different from other areas in the world using various data sources. Our predictive models of COVID-19 severity had high accuracy (Random Forest AUC = 0.81, Elastic Net AUC = 0.7, and SVM AUC = 0.69) and showed that the use of polygenic risk scores increased the models' predictive capabilities. CONCLUSION: We provided a comprehensive analysis for COVID-19 severity in Vietnam. This investigation is not only helpful for COVID-19 treatment in therapeutic target studies, but also could influence further research on the disease progression and personalized clinical outcomes.

COVID-19 , Infecções por Coronavirus , Pneumonia Viral , Betacoronavirus , COVID-19/tratamento farmacológico , COVID-19/epidemiologia , Estudo de Associação Genômica Ampla , Humanos , SARS-CoV-2/genética , Vietnã/epidemiologia
Asia Pac J Public Health ; 22(4): 451-9, 2010 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-20930176


The objective of the study is to describe the uptake of prenatal HIV testing among Vietnamese women. Exit interviews were conducted among 300 women who had delivered at Hai Phong obstetrical hospital. Information about socioeconomic characteristics and HIV testing was obtained through structured questionnaire interviews. It was found that 45% of the women were tested for HIV before the end of 34 weeks of gestation, 5% in 35 to 40 weeks of gestation, and 55% at labor. Low educational levels, being a farmer or worker, having a low income, and living close to the hospital were associated with being tested at labor. When adjusting for possible confounders, however, living more than 15 km from the hospital was the only factor, which remained significantly associated with HIV testing during labor (odds ratio = 2.15; confidence interval = 1.14-4.04). The results suggest that many Vietnamese women are not tested for HIV during prenatal care and that a relationship exists between distance to the hospital and lack of HIV testing during pregnancy.

Infecções por HIV/diagnóstico , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Complicações Infecciosas na Gravidez/diagnóstico , Cuidado Pré-Natal/estatística & dados numéricos , Adulto , Feminino , Acesso aos Serviços de Saúde , Humanos , Trabalho de Parto , Gravidez , Pesquisa Qualitativa , Fatores Socioeconômicos , Vietnã , Adulto Jovem