Exposure to SARS-CoV-2 can induce virus-specific T cell responses without seroconversion

Exposure to SARS-CoV-2 can induce virus-specific T cell responses without seroconversion

Exposure to SARS-CoV-2 can induce virus-specific T cell responses without seroconversion

A new study by researchers at Strasbourg University Hospital and published on the preprint server medRxiv* in June 2020 shows that COVID-19 antibody responses may sometimes be lacking following exposure to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This could lead to a significant underestimation of the number of infections and the number of individuals who have achieved immunity.