LONDON — Drugmaker AstraZeneca is racing to adapt its Covid-19 vaccine in the face of new variants of the virus, with the process becoming more urgent after a small-scale study found that it was less effective at protecting against the more virulent strain discovered in South Africa. The country said it would suspend the use of the […] Read more
South Africa has announced a nationwide lockdown of its 56 million inhabitants for 21 days, enforced by police and the army, in a bid to curtail the spread of coronavirus. Confirmed cases in the country currently sit at 552, the highest in Africa but much lower than other major economies across Europe and the Americas, […] Read more