twodose

Questions over Britain’s decision to drop two-dose vaccine regimen

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Pfizer warned today there is ‘no data’ to show a single dose of its coronavirus vaccine provides long-term protection, after the UK scrapped its original jab rollout plan. The UK medical regulator is now recommending Covid jabs are given in two doses three months apart, rather than over the intended four-week period, to allow millions more … Read more

Johnson & Johnson launches large trial for a two-dose version of its coronavirus vaccine

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Johnson & Johnson launched a new large-scale trial on Monday to test a two-dose regimen of its experimental COVID-19 vaccine. The late-stage study will evaluate if a second dose provides longer protection than a standard one-dose vaccine. The New Jersey-based drugmaker plans to enroll up to 30,000 participant and run it in parallel with a … Read more