AstraZeneca vaccine can be used for over 65s and Covid variants, WHO says | France24 |

The alarm was raised when a trial at Johannesburg's University of Witwatersrand concluded the AstraZeneca vaccine provided only "minimal" protection against mild to moderate Covid-19 caused by the variant.
That was bad news for many poorer nations counting on the greater accessibility, affordability and logistical advantages offered by the AstraZeneca shot.

But the WHO and its partners have cautioned against dismissing the vaccine, pointing to the small size and possibly problematic methodology of the South African study, insisting more data was needed.