Two doses of AstraZeneca Covid-19 vaccine 85-90% effective: Public Health England
NEW DELHI: Two doses of the Oxford/AstraZeneca COVID-19 vaccine are around 85 per cent to 90 per cent effective against...
Public Health England
NEW DELHI: Two doses of the Oxford/AstraZeneca COVID-19 vaccine are around 85 per cent to 90 per cent effective against...
