Covid-19: immune memory could last more than eight months

The more time passes, the more perspective we have on the natural immunity developed by ex-Covid-19 patients. In November, we could say that antibodies against … Read more

Covid-19: what do we know about virus mutations in South Africa?

While the virus is constantly mutating (over 12,000 mutations have been identified over the past year), a variant of concern has been reported by the … Read more

Sars-CoV-2, a virus of still unknown origin

Where does Sars-CoV-2 come from? The origins of the virus responsible for the Covid-19 pandemic remain unclear. After the thesis of the pangolin, that of … Read more