South Africa's decision to halt its rollout of the Oxford-AstraZeneca vaccine after a study showed "disappointing" results against its new Covid-19 variant may have left the nation in shock, but it also shows how scientists are at the forefront of the battle against coronavirus.
Read More | Lire La SuiteModerna vaccine safe and effective, say US experts
Moderna's vaccine is safe and 94% effective, regulators say, clearing the way for US emergency authorisation.
Read More | Lire La SuiteFirst doses of coronavirus vaccine in US distributed to frontline workers
Critical care nurse Sandra Lindsay in New York became one of the first Americans to receive the coronavirus vaccine this morning.
Read More | Lire La SuiteCovid vaccine: UK woman becomes first in world to receive Pfizer jab
A 90-year-old woman has become the first patient in the world to receive the Pfizer Covid-19 vaccine after its approval in the UK, where the NHS has launched its biggest vaccine campaign.
Read More | Lire La SuiteCovid vaccine: First ‘milestone’ vaccine offers 90% protection
The first effective coronavirus vaccine can prevent more than 90% of people from getting Covid-19, a preliminary analysis shows.
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