On May 5, the World Health Organization officially turned the page on Covid-19 by declaring that the disease was no longer a health emergency of international concern. This does not mean that the disease has disappeared: the virus is still circulating, and even quite widely, if we believe the analyzes carried out in wastewater in some countries. But it is also less visible. "The first difficulty we face is the lack of indicators," notes Mircea Sofonea, lecturer in epidemiology and evolution of infectious diseases at the University of Montpellier. Much less testing is being done than before, and most countries have abandoned surveillance. The virus kills much less now, but mortality is still high, because Sars-CoV-2 kills 3 to 4 times more than influenza." In France, the evolution of care in hospital services has not been published daily since March. And, by dint of...
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