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10.1016/j.cmi.2021.01.005 http://scihub22266oqcxt.onion/10.1016/j.cmi.2021.01.005 33482352!7816882!33482352     free     free     free Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Clin+Microbiol+Infect 2021 ; 27 (5): 784.e1-8 Nephropedia Template TP {{tp|p=33482352|t=2021. Antibody persistence in the first 6 months following SARS-CoV-2 infection among hospital workers: a prospective longitudinal study |pdf=|usr=}}{{33482352}} gab.com Text Antibody persistence in the first 6 months following SARS-CoV-2 infection among hospital workers: a prospective longitudinal study JO: Clin Microbiol Infect http://www.kidney.de/pget.php?&tw=1&pmid=33482352 #FOAvip OBJECTIVES: To evaluate longitudinally the persistence of humoral immunity for up to 6 months in a cohort of hospital employees with mild coronavirus disease 2019 (COVID-19). METHODS: We measured anti-RBD (receptor binding domain of viral spike protein), anti-N (viral nucleoprotein) and neutralizing antibodies at 1, 3 and 6 months after mostly mild COVID-19 in 200 hospital workers using commercial ELISAs and a surrogate virus neutralization assay. RESULTS: Antibodies specific for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) persisted in all participants for up to 6 months. Anti-RBD geometric mean concentrations (GMCs) progressively increased between months 1 (74.2 U/mL, 95%CI: 62.7-87.8), 3 (103.2 U/mL, 95%CI: 87.9-121.2; p < 0.001), and 6 (123.3 U/mL, 95%CI: 103.4-147.0; p < 0.001) in the whole cohort. Anti-N antibodies were detectable in >97% at all times. Neutralizing antibodies were detectable in 99.5% of participants (195/196) at 6 months post infection. Their GMC progressively decreased between months 1 (20.1 AU/mL, 95%CI: 16.9-24.0), 3 (15.2 AU/mL, 95%CI: 13.2-17.6; p < 0.001) and 6 (9.4 AU/mL, 95%CI: 7.7-11.4; p < 0.001). RBD-ACE2-inhibiting antibody titres and anti-RBD antibody concentrations strongly correlated at each timepoint (all r > 0.86, p < 0.001). Disease severity was associated with higher initial anti-RBD and RBD-ACE2-inhibiting antibody titres, but not with their kinetics. CONCLUSIONS: Neutralizing antibodies persisted at 6 months in almost all participants, indicating more durability than initially feared. Anti-RBD antibodies persisted better and even increased over time, possibly related to the preferential detection of progressively higher-affinity antibodies. Twit Text FOAVip Antibody persistence in the first 6 months following SARS-CoV-2 infection among hospital workers: a prospective longitudinal study ????Clin Microbiol Infect http://www.kidney.de/pget.php?&tw=1&pmid=33482352 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33482352 #FOAvip English Wikipedia <ref>{{Cite pmid|33482352}}</ref> Antibody persistence in the first 6 months following SARS-CoV-2 infection among hospital workers: a prospective longitudinal study #MMPMID33482352 L'Huillier AG; Meyer B; Andrey DO; Arm-Vernez I; Baggio S; Didierlaurent A; Eberhardt CS; Eckerle I; Grasset-Salomon C; Huttner A; Posfay-Barbe KM; Royo IS; Pralong JA; Vuilleumier N; Yerly S; Siegrist CA; Kaiser L Clin Microbiol Infect 2021[Jan]; 27 (5): 784.e1-8 PMID33482352show ga OBJECTIVES: To evaluate longitudinally the persistence of humoral immunity for up to 6 months in a cohort of hospital employees with mild coronavirus disease 2019 (COVID-19). METHODS: We measured anti-RBD (receptor binding domain of viral spike protein), anti-N (viral nucleoprotein) and neutralizing antibodies at 1, 3 and 6 months after mostly mild COVID-19 in 200 hospital workers using commercial ELISAs and a surrogate virus neutralization assay. RESULTS: Antibodies specific for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) persisted in all participants for up to 6 months. Anti-RBD geometric mean concentrations (GMCs) progressively increased between months 1 (74.2 U/mL, 95%CI: 62.7-87.8), 3 (103.2 U/mL, 95%CI: 87.9-121.2; p < 0.001), and 6 (123.3 U/mL, 95%CI: 103.4-147.0; p < 0.001) in the whole cohort. Anti-N antibodies were detectable in >97% at all times. Neutralizing antibodies were detectable in 99.5% of participants (195/196) at 6 months post infection. Their GMC progressively decreased between months 1 (20.1 AU/mL, 95%CI: 16.9-24.0), 3 (15.2 AU/mL, 95%CI: 13.2-17.6; p < 0.001) and 6 (9.4 AU/mL, 95%CI: 7.7-11.4; p < 0.001). RBD-ACE2-inhibiting antibody titres and anti-RBD antibody concentrations strongly correlated at each timepoint (all r > 0.86, p < 0.001). Disease severity was associated with higher initial anti-RBD and RBD-ACE2-inhibiting antibody titres, but not with their kinetics. CONCLUSIONS: Neutralizing antibodies persisted at 6 months in almost all participants, indicating more durability than initially feared. Anti-RBD antibodies persisted better and even increased over time, possibly related to the preferential detection of progressively higher-affinity antibodies. äAntibody persistence in the first 6 months following SARS-CoV-2 infect(epmc).pdf DeepDyve Pubget Overpricing