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1.
PLoS One ; 16(2): e0246513, 2021.
Article in English | MEDLINE | ID: mdl-33626045

ABSTRACT

Castiglione D'Adda is one of the municipalities more precociously and severely affected by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) epidemic in Lombardy. With our study we aimed to understand the diffusion of the infection by mass serological screening. We searched for SARS-CoV-2 IgGs in the entire population on a voluntary basis using lateral flow immunochromatographic tests (RICT) on capillary blood (rapid tests). We then performed chemioluminescent serological assays (CLIA) and naso-pharyngeal swabs (NPS) in a randomized representative sample and in each subject with a positive rapid test. Factors associated with RICT IgG positivity were assessed by uni- and multivariate logistic regression models. Out of the 4143 participants, 918 (22·2%) showed RICT IgG positivity. In multivariable analysis, IgG positivity increases with age, with a significant non-linear effect (p = 0·0404). We found 22 positive NPSs out of the 1330 performed. Albeit relevant, the IgG prevalence is lower than expected and suggests that a large part of the population remains susceptible to the infection. The observed differences in prevalence might reflect a different infection susceptibility by age group. A limited persistence of active infections could be found after several weeks after the epidemic peak in the area.


Subject(s)
COVID-19 Serological Testing/methods , COVID-19/epidemiology , COVID-19/transmission , Antibodies, Viral/blood , COVID-19/blood , COVID-19/diagnosis , COVID-19 Serological Testing/statistics & numerical data , Cross-Sectional Studies , Female , Humans , Immunoglobulin G/blood , Immunoglobulin M/blood , Italy/epidemiology , Male , Mass Screening/methods , Prevalence , SARS-CoV-2/genetics , SARS-CoV-2/pathogenicity
2.
J Cosmet Dermatol ; 19(10): 2721-2726, 2020 Oct.
Article in English | MEDLINE | ID: mdl-32281249

ABSTRACT

BACKGROUND: Inappropriate feminine hygiene practices are related to vulvar unpleasant symptoms (such as skin changes, lesions, burning, pruritus, fissures, and dyspareunia). AIMS: We assessed the daily use effects of intimate cleansers on vulvar skin by comparing two specific products for intimate care: Saugella Hydraserum (SIS), based on natural extracts, and a standard product based on lactic acid, such as Lactacyd Feminine Hygiene (LTC). Forty healthy women were enrolled in this double-blind controlled study. METHODS: After randomization, the cleansers were used twice daily for 30 days. The hydration level was determined using the Corneometer® CM 825, the pH using the Skin-pH-Meter PH 905® and the sebum level using the Sebumeter SM815® . Measurements were performed at baseline and on day 30 on the labia majora and labia minora. RESULTS: Both cleansers showed a reduction in the hydration level, but this was much less evident in the SIS group (-6.3% SIS vs -23,7% LTC). The pH values of the SIS group were lower than those of the LTC group, especially on the labia minora (5.27 ± 0.08 and 5.6 ± 0.1, respectively, P = .025). The sebum increased in both groups, but in the LTC group, it was higher on the labia majora (+96.2% vs +46.8%, respectively, P = .003), while on the labia minora, it was higher in the SIS group (+24.7% vs +17.1%, respectively P = NS). CONCLUSIONS: Both cleansers tested showed high performance for safety and tolerability on vulvar skin, but SIS showed better efficacy than LTC on some parameters.


Subject(s)
Plastic Surgery Procedures , Vulva , Female , Humans , Hygiene , Sebum , Skin
3.
J Low Genit Tract Dis ; 24(3): 290-294, 2020 Jul.
Article in English | MEDLINE | ID: mdl-32205761

ABSTRACT

OBJECTIVE: Our objective was to determine the role of vaginal and/or vestibular microbiota disturbance as an associated factor of symptom characteristic of provoked vestibulodynia (PVD). STUDY DESIGN: In an observational case-control study, the bacterial microbiomes in the vagina and vestibule from 20 women with PVD and 18 healthy controls were compared using a 16S rRNA gene-based molecular analysis. Clinical data were recorded through a 0- to 10-point visual analog scale related to dyspareunia and vulvovaginal pain/burning. RESULTS: Comparative assessment of the bacterial taxa (cutoff ≥15%) revealed 105 genera in the vaginal samples of PVD patients and 113 genera in the vestibular samples. Similarly, 120 genera were detected in the vaginal samples and 151 in the vestibular samples of the control group. Bacterial complexity was higher in the vestibular samples than in vaginal samples in both groups, without statistically significant differences. The following 3 dominant taxonomic units were found: Lactobacillus, Gardnerella, and Atopobium in PVD patients and Lactobacillus, Gardnerella, and Bifidobacterium in the control group. Lactobacillus gasseri was dominant only in women with PVD, showing a significant correlation with burning/pain intensity and dyspareunia severity (0.255 and 0.357, respectively, p < .001). CONCLUSIONS: Our data suggest that bacterial communities in vaginal discharge are an important contributor to the vestibular microbiota. Lactobacillus gasseri may be an element of vulnerability toward the development of vaginal dysbiosis. We can postulate its association as a potential etiologic organism in some individuals, either by itself or in some combination with other trigger factors.


Subject(s)
Vagina/microbiology , Vaginosis, Bacterial/microbiology , Vulvar Vestibulitis/microbiology , Vulvodynia/microbiology , Adult , Case-Control Studies , Female , Humans , Polymerase Chain Reaction , Vulva/microbiology
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