… However, existing large studies examining the relative risk of reinfection in antibody …
SARS-CoV-2 infection and reinfection over time, we analysed PCR and serological testing data from …

… can occur in individuals with detectable antibodies for SARS-CoV-2 infection, even in some
with high antibody … Multi-center nationwide comparison of seven serology assays reveals a …

… ) who have recovered from COVID-19, we described the dynamics of SARS-CoV-2
humoral … anti-SARS-CoV-2 antibody titers decline, the risk of reinfection within a year post-infection …

… SARS-CoV-2 antibody titers do indeed decline, the risk of reinfection within a year post-infection …
We also calculated the incidence of SARS-CoV-2 infection/reinfection per month, …

… SARS-CoV-2 infection rates than antibody negative healthcare workers? Large multi-centre …
UK that found an 83% lower risk of reinfection for at least 5 months after the first infection. …

… Although our median follow-up of 8 months is among the longest compared with other studies,
our point estimate (RR 0.22) for protection from re-infection with SARS-CoV-2 is perfectly …

… of SARS-CoV-2 transmission occurred in our setting from October to November 2020,
approximately 7 months … SARS-CoV-2 nucleocapsid IgG antibody testing was undertaken on the …

SARS-CoV-2 infection rates of antibody-positive compared with … SARS-CoV-2 infection
rates of antibody-positive compared with antibody-negative health-care workers in England: a …

… The SIREN study is an ongoing, multicenter, prospective … an antibody test result consistent
with previous SARS-CoV-2 … months after the emergence of SARS-CoV-2 and 10 months …

… SARS-CoV-2 PCR testing and using viral genome sequencing, we quantified the risk of
reinfection at ∼2 reinfections … has been expanding in Qatar during the last few months [14, 16, 17…