Anders Tegnell said on Friday that there was “a lot we do not know” about Delta and cautioned against drawing “far-reaching conclusions” about the coronavirus strain. He noted that the variant had been circulating in Sweden “for quite some time” with little effect, particularly in high-risk settings such as nursing …
Read More »WHO epidemiologist warns future ‘constellation of mutations’ could challenge Covid vaccine effectiveness
World leaders have presented vaccines to the public as a ticket back to normality, with US President Joe Biden promising a “summer of freedom” should his target of vaccinating 70% of Americans be reached by July 4. Even against more transmissible variants of the coronavirus – for example the ‘Delta …
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