17 March 2021
The US won't be following the UK's example of extending the interval between covid-19 vaccine doses amid concerns it could increase risk of dangerous variants emerging. Meanwhile, Canada increases its interval up to four months
17 March 2021
Globally, since late February, coronavirus infections have started to rise again, mainly linked to the B.1.1.7 variant. The big question is what happens next
10 March 2021
The strategy of vaccinating the eldest first may save the most lives in the short term, but also has the greatest risk of creating variants that escape vaccine immunity
9 March 2021
Vaccination means freedom to mix in private properties without social distancing or wearing masks, US authorities have said, but the guidance is deemed too risky for the UK
23 February 2021
A new way of detecting the coronavirus could increase surveillance of dangerous mutations and alert individuals to which variant of the virus they are carrying
17 February 2021
With news of one new variant after another, it's easy to despair that even vaccines won't be enough to overcome the coronavirus pandemic - but there are reasons to be optimistic
3 February 2021
The coronavirus is evolving to evade the protection from vaccines and natural immunity - here's what we can do to fight back
27 January 2021
Potentially dangerous new coronavirus variants can be detected more easily by monitoring sewage systems for virus shed in faeces than by testing people directly
26 January 2021
It appears the UK's B.1.1.7 coronavirus variant is slightly more deadly and more transmissible than other variants, but improved treatments may limit the risk of death if you are infected
20 January 2021
New versions of coronavirus that spread faster and might evade the immune system are causing fears about vaccine efficacy and a rise in covid-19 deaths. Here’s what you need to know
