As of 13 December 2021, 270 million cases of covid-19 have been recorded worldwide,1 but the scale and […]

Optimism is growing that the increasingly dominant omicron variant of SARS-CoV-2 may produce less severe disease than previous […]

The covid self-isolation period in England is being cut from 10 to seven days to reduce disruption to […]

Expedited approval pathways have been increasingly used over the past 30 years to bring new medicines to market. […]

President Joe Biden promised Americans half a billion home tests for covid-19 and medical help from the US […]

Absence levels among the medical workforce in London are now higher than at any time since the start […]

“Swedish statistics do not differ from other European countries,” Anders Tegnell, the state epidemiologist who has been the […]

The government has ignored its scientific advisers’ advice to impose immediate restrictions to stop the NHS becoming overwhelmed […]

In January 2021, shortly after India rolled out its plans for nationwide vaccination coverage, a team of researchers […]

Since our previous editorial in September 2021,1 a growing body of evidence about covid-19 vaccine effectiveness, including that […]