European Medicines Agency says blood clots should be listed as a "very rare" side effect of AstraZeneca vaccine and recommends that vaccinations continue.
Just hours after AstraZeneca released results from its US trials promising high efficacy against Covid-19, the US National Institute of Allergy and Infectious Diseases issued an unusual public statement casting doubts over the recency of the data.
Thailand announces plans to go ahead with AstraZeneca's Covid-19 vaccine despite other countries suspending its use over safety fears.
German expert panel's recommendation comes as an irate EU threatens to launch legal action against the drugmaker over its announced supply cuts in Europe.
British Prime Minister Boris Johnson warns that tougher lockdown restrictions are likely as the country's infection rates reach highest recorded levels.
University of Oxford and AstraZeneca say they will have 200 million vaccine doses ready by end of 2020, with drug substance for 700 million doses by end of first quarter of 2021 globally.
A childhood vaccine may help prevent severe Covid-19 infections, while cigarette smoke increases the risk of contracting the virus, according to the latest study.
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