Jorg, Tanis Ellen, Vancutsem Denis, Piérard Ilse, Weets Maria, Bjerke Johan, Schiettecatte Deborah, De Geyter
Published in
Diagnostic Microbiology and Infectious Disease
Objectives To evaluate the diagnostic performances of SARS-CoV-2 IgG antibody immunoassays. Methods Following immunoassays were studied: Abbott's SARS-CoV-2 IgG assay, Diasorin's Liaison SARS-CoV-2 S2/S2 IgG assay, Euroimmun's Anti-SARS-CoV-2 IgG ELISA, and Roche's Elecsys Anti-SARS-CoV-2 assay. Specificity was retrospectively evaluated with 38 sam...
Péré, Hélène Bouassa, Ralph-Sydney Mboumba Tonen-Wolyec, Serge Podglajen, Isabelle Veyer, David Bélec, Laurent
Published in
Journal of Virological Methods
Facing the ongoing pandemic caused by SARS-CoV-2, there is an urgent need for serological assays identifying individuals previously infected by coronavirus disease 2019 (COVID-19), including rapid diagnostic tests (RDTs). We herein compared five new CE-IVD-labeled commercially available SARS-CoV-2 whole-blood finger-stick IgG/IgM combined RDTs, in ...
Uwamino, Yoshifumi Wakui, Masatoshi Aoki, Wataru Kurafuji, Toshinobu Yanagita, Emmy Morita, Maasa Nagata, Mika Inose, Rika Noguchi, Masayo Yokota, Hiromitsu
...
Published in
Annals of clinical biochemistry
The usability of laboratory tests related to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is critically important for the world undergoing the COVID-19 pandemic. The present study aimed to assess the diagnostic usability of rapid tests for the detection of antibody against SARS-CoV-2 through comparison of their results with the resu...
Billon-Denis, Emmanuelle Ferrier-Rembert, Audrey Garnier, Annabelle Cheutin, Laurence Vigne, Clarisse Tessier, Emilie Denis, Jessica Badaut, Cyril Rougeaux, Clémence Depeille Wuille, Anne
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Published in
Infection
Background We report here the case of two coworkers infected by the same SARS-CoV-2 strain, presenting two different immunological outcomes. Case One patient presented a strong IgG anti-receptor-binding domain immune response correlated with a low and rapidly decreasing titer of neutralizing antibodies. The other patient had a similar strong IgG an...
Hesami, Saeid Shahraki, Amir-Davar Foroozandeh Zakian, Amir Ghalamkari, Gholamreza
ABSTRACT. To investigate the effect of feeding heat-treated colostrum at different duration on the health and performance, 48 Holstein calves were enrolled randomly into four treatment groups before first feeding and consumed untreated colostrum (H0, n = 12), heat-treated colostrum at 60ºC for 30 min. (H30, n = 12), heat-treated colostrum at 60ºC f...
Gallais, Floriane Velay, Aurélie Nazon, Charlotte Wendling, Marie-Josée Partisani, Marialuisa Sibilia, Jean Candon, Sophie Fafi-Kremer, Samira
Published in
Emerging Infectious Diseases
We investigated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)–specific antibodies and T-cell responses against SARS-CoV-2 and human coronavirus (HCoV) 229E and OC43 in 11 SARS-CoV-2 serodiscordant couples in Strasbourg, France, in which 1 partner had evidence of mild coronavirus disease (COVID-19) and in 10 unexposed healthy controls...
Lim, Jacqueline K. Carabali, Mabel Edwards, Tansy Barro, Ahmed Lee, Jung-Seok Dahourou, Desire Lee, Kang Sung Nikiema, Teguewende Shin, Mee Young Bonnet, Emmanuel
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Published in
Emerging Infectious Diseases
Because of limited data on dengue virus in Burkina Faso, we conducted 4 consecutive age-stratified longitudinal serologic surveys, ≈6 months apart, among persons 1–55 years of age, during June 2015–March 2017, which included a 2016 outbreak. The seroconversion rate before the serosurvey enrollment was estimated by binomial regression, taking age as...
Guerriero, Massimo Bisoffi, Zeno Poli, Albino Micheletto, Claudio Conti, Antonio Pomari, Carlo
Published in
Emerging Infectious Diseases
We used random sampling to estimate the prevalence of severe acute respiratory syndrome coronavirus 2 infection in Verona, Italy. Of 1,515 participants, 2.6% tested positive by serologic assay and 0.7% by reverse transcription PCR. We used latent class analysis to estimate a 3.0% probability of infection and 2.0% death rate.
Favara, D M Ceron-Gutierrez, M L Carnell, G W Heeney, J L Corrie, P Doffinger, R
Published in
Emerging microbes & infections
A 40-year-old female was found to have strongly neutralizing SARS-CoV-2 breastmilk IgA and IgG antibodies reactive against multiple SARS-CoV-2 antigens at 2.5 months after documented infection with SARS-CoV-2. At 6.5 months following the infection, she remained positive for breastmilk and serum SARS-CoV-2 neutralizing antibodies. Holder breast milk...
Speletas, Matthaios Kyritsi, Maria A. Vontas, Alexandros Theodoridou, Aikaterini Chrysanthidis, Theofilos Hatzianastasiou, Sophia Petinaki, Efthimia Hadjichristodoulou, Christos
Published in
Frontiers in Immunology
The estimation of anti-SARS-CoV-2 IgG antibodies is possibly the best approach to accurately establish the number of infected individuals and the seroprevalence of COVID-19 within a population. Thus, several commercial immunoassays have recently been developed. The purpose of our study was to assess the performance of five commonly used immunoassay...