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Oxford trial to test efficacy of mix of Covid vaccines for individuals
Volunteers are being sought for a world-first trial to establish the efficacy of giving people a first dose of one vaccine and a second dose of a different vaccine.
It will recruit 820 people over the age of 50 who have not yet had a vaccine, to receive a first dose of either the Oxford/AstraZeneca vaccine or the Pfizer/BioNTech vaccine. Some people will then get an alternative vaccine at a second appointment within 12 weeks, and others will get the same vaccine again.
Public Health England’s Green Book on vaccinations already tells the NHS that in exceptional circumstances if people arrive for their second dose and the vaccine they originally had is not available, they can be given a different one:
US deaths pass 450,000
Is Canada entitled to Covax shots?
Canada to receive significant doses from Covax fund despite already securing 9.6 doses per person
Source: The Guardian
Keyword: Coronavirus live news: Canada has secured nearly 10 vaccine doses per person; US deaths pass 450,000 | World news