An epidemiological working definition will be more pragmatic and helpful to assess the magnitude of re-infection in most population and resource constrained settings. Two positive tests at an interval of …
reinfection
-
-
A new coronavirus mutation, first reported in South Africa and different from the United Kingdom variant, may escape Covid-19 recovered antibodies, says a new study. The results have implications on …
-
In the research, the scientists, including those from the University of the Witwatersrand in South Africa, tested the neutralisation activity of plasma from patients who recovered from prior infection. A …
-
1,769 genome sequenced variant cases were matched with the same number of cases which are distinctly different from the new varian and studied Preliminary results from a cohort study found …
-
Residents undergo a free rapid antigen nasopharyngeal swab test for Covid-19 at a testing facility set up in a school sports hall, on November 20, 2020 in Bolzano, South Tyrol, …