“On the scale of pandemics, covid-19 was moderate,” says Mark Woolhouse at the University of Edinburgh, UK. “There will be others, and they very easily could be an awful lot worse than the ...

A new covid-19 variant called XEC has started to spread in many regions worldwide, primarily in Europe. Early evidence indicates that it may be transmitted more easily than past variants, but ...

Records show that a top U.S. regulator rejected the recommendations of agency experts and limited the use of Covid vaccines.

Five years ago, in January 2020, a new year had begun, one that would be like no other in living memory. Three months later, much of the world was in lockdown. Most people were unable to leave ...

Covid-19 restrictions helped stem SARS-Cov-2, but also had other consequences Alex Milan Tracy/Sipa USA/Alamy Chronic pain has become more common since covid-19 emerged – and long covid only ...

By then, at least 59 people had been infected with what we now know to be SARS-CoV-2, the virus behind covid-19. The rest is – well, has now become – history. Of course, you know all of that ...

mRNA vaccines have been a long time coming, but were only approved after covid-19 emerged, marking the beginning of a new way of preventing – and treating – various conditions ...

In the five years since, they haven’t stopped running, with over 1 million papers published about SARS-CoV-2 and covid-19. Yet despite this outpouring, some big scientific questions about the ...

It is now five years since clinicians in Wuhan, China, first encountered covid-19 cases in December 2019. Hindsight makes it even clearer how the battle against the disease wasn’t just a fight ...

Long covid: What we now know about its causes and possible treatments “The SARS-CoV-2 virus enters cells in the nose, causing inflammation that can damage neurons,… Advertisement ...

Five years ago, the covid-19 pandemic was getting under way – but we didn’t know it yet. So, what exactly happened? Many scientists are convinced that it began with infected animals at a ...