LONDON (AP) - Britain’s health chief has hailed a new study suggesting that a single dose of the Oxford-AstraZeneca COVID-19 vaccine provides a high level of protection for 12 weeks, saying it ...
New research suggests that a 12-week gap between doses of the Oxford-AstraZeneca vaccine might be better than a shorter interval. THOMAS SAMSON/POOL/AFP via Getty Images The efficacy of some COVID-19 ...
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