THREE COVID-19 vaccines are currently approved for use in the UK - the Oxford-AstraZeneca vaccine, the Pfizer-BioNTech vaccine and the Moderna vaccine. All vaccines come in two doses with a 12-week gap between each one. But in a world-first, the UK has launched a study to look at whether different vaccines can be received for people's first and second doses.
from Daily Express :: Health Feed https://ift.tt/2YFld78
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