The Danish infectious disease control agency tested the omicron sub-variant BA.2. The results confirm that the new form of the coronavirus is more infectious than the common version of BA.1 - also for vaccinated people.
A study that looked at coronavirus infections in more than 8,500 Danish households between December and January showed that people infected with BA.2 had around 33% greater likelihood of infecting others compared to those with BA.1.
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