Published on 29/07/2021 at 20:49
Social media posts claim American health authorities are revoking authorization for widely used coronavirus tests because they are inaccurate. This is false; one US agency said it made no such announcement and the tests are the "gold standard" for Covid-19 diagnosis, while another said a requested change in authorization cited in some posts was not due to poor performance.
Published on 21/07/2021 at 19:09
Published on 20/07/2021 at 18:50
Updated on 04/06/2021 at 17:35
Published on 28/05/2021 at 23:09