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

Can applesauce be tested positive for Covid-19?

Question asked by Yann Le Gac on 12/11/2020 Hello, You ask us about a German video relayed on social networks, in particular by covid-skeptical internet … Read more

Coronavirus: does vitamin D help with Covid-19?

WORLD: Professor Martineau, you and your colleagues have just started a study to test whether vitamin D is effective against the coronavirus – with a … Read more

Covid-19: do antibodies disappear over time?

Question asked by Céline on 09/09/2020 Hello, You ask us whether it is true that former infected people can present a negative serological test. We … Read more

In the midst of the Covid-19 crisis, Trump withdraws the United States from WHO

The Trump administration has followed through on its threats: On Tuesday, the President formally launched the procedure for the withdrawal of the United States from … Read more