AstraZeneca US trials thrown into doubt after promising data
Sombre UK marks one year since first virus lockdown
23 March 2021Precautions used to prevent COVID-19 decreased common respiratory illness rates, study finds
23 March 2021AstraZeneca US trials thrown into doubt after promising data
A US health agency raised concerns Tuesday that AstraZeneca may have included out-of-date information during trials of its COVID-19 vaccine, a day after the company said its drug was highly effective in preventing the disease.
