Study shows AstraZeneca vaccine works well as a third booster - FT

The Covid-19 vaccine of AstraZeneca Plc and Oxford University works well as a third booster dose, stepping up antibodies to the coronavirus spike protein among participants in a study, the Financial Times reported today.

The news comes as vaccine makers warn that the world will need yearly booster shots, or new vaccines, to tackle virus variants, although some scientists question if such shots are necessary...