The WHO reiterated Friday there was “no adequate data” on switching Covid-19 vaccines between doses, after France said under-55s who received an AstraZeneca first jab should get their second from a different vaccine. The World Health Organization has called for studies on so-called mixing and matching between vaccines, but said ...
Britain on Wednesday began rolling out its third coronavirus vaccine, from US company Moderna, as questions mounted over jabs from the country’s main supplier, AstraZeneca. The Moderna vaccine, which is already being delivered in Europe and the United States, joined ones from AstraZeneca-Oxford University and Pfizer-BioNTech in Britain’s armoury against ...
