Can you mix and match two-dose Covid-19 vaccines? It’s likely safe and effective, but researchers are still gathering data to be sure.
The authorised Covid-19 shots around the world are all designed to stimulate your immune system to produce virus-fighting antibodies, though the way they do so varies, noted Dr Kate O’Brien, director of the World Health Organisation’s vaccine unit.
“Based on the basic principles of how vaccines work, we do think that the mix-and-match regimens are going to work,” she said.
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