30 Nov 2020
Though the late-stage trial results showed an efficacy of 70% on average, up to 90% of people can be prevented from getting the coronavirus if a lower dose is used. AstraZeneca said the vaccine is "highly effective."
13 Sep 2020
Pharmaceutical company AstraZeneca says it has "voluntarily paused" a randomized clinical trial of its coronavirus vaccine in what it called a routine action after a volunteer developed an unexplained illness.
12 Sep 2020
Here is why you should pick up a copy of The Guardian on Sunday. Find these stories and much more when you grab a copy of The Guardian on the newsstands on Sunday.