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 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.
