Are we making variants healthier and stronger smarter and more virulent?
The BA.2 subvariant of the Omicron coronavirus variant, which has quickly taken over in Denmark, is more transmissible than the more common BA.1 and more able to infect vaccinated people, a Danish study has found. The study, which analysed coronavirus infections in more than 8500 Danish households between December and January, found that people infected with the BA.2 subvariant were roughly 33 per cent more likely to infect others, compared to those infected with BA.1.
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