14 June 2021
Models predicting a possible huge third wave of covid-19 cases and evidence that the delta variant of coronavirus increases hospitalisation risk are behind the decision to delay easing of lockdown in England
12 May 2021
The UK and Israel are already considering booster vaccine programmes and are buying up doses, but topping up on covid-19 vaccines isn't as straightforward as it sounds
20 April 2021
Non-Western vaccines are serious players in the global effort against covid-19, but we need more transparent data on their efficacy and safety as they are rolled out to millions
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 February 2021
A single genome sequence has shown that the UK and California variants of the coronavirus have combined into a heavily mutated hybrid. Here’s what you need to know about this recombinant variant of the coronavirus
16 February 2021
The UK and California variants of coronavirus appear to have combined into a heavily mutated hybrid, sparking concern that we may be entering a new phase of the covid-19 pandemic
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
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
