Also, Oxford researchers found the AstraZeneca vaccine was 76% effective against disease after a single dose and that protection increased to 82% when the second dose was given at 12 weeks, compared to only 55% if given less than six weeks apart.
It wasn’t clear why the latter group had a lower efficacy reading than after a single dose. Experts said the paper was written in a way that it wasn’t clear if the same people were tested in each group or if the number of people in each group differed.
For now, the company says the 12-week span seems to work best.
MADRID, Jan. 31 (Xinhua) European scientists call for closer global vaccine cooperation as the European Union (EU) suffers from COVID-19 vaccine supply shortages. The European Commission granted conditional marketing authorization for the COVID-19 vaccine developed by British company AstraZeneca and Oxford University on Friday, although the bloc seems unlikely to get the amount of doses as agreed for the moment. The EU has been squabbling.
EU authorizes AstraZeneca/Oxford COVID-19 vaccine - World News sina.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sina.com Daily Mail and Mail on Sunday newspapers.
BRUSSELS, Jan. 29 (Xinhua) The European Commission granted conditional marketing authorization for the COVID-19 vaccine developed by British company AstraZeneca and Oxford University on Friday, although the bloc seems unlikely to get the amount of doses as agreed for the moment.
BRUSSELS (Reuters) - The European Medicines Agency (EMA) is in the process of offering advice to the developers of the Russian Sputnik V COVID-19 vacc.