Combined inoculation of British Astra vaccine and mRNA vaccine is effective = research
If you write the contents roughly
The study was conducted for about five months from February to June this year when the mutant strain "Alpha" was widespread, and the mutant strain "Delta", which is currently rampant in Denmark, has the same preventive effect. I don't know if there is one.
[Copenhagen XNUMXnd Reuters] – Danmark National Serum Institute (SSI) is made by AstraZeneca in the UK on the XNUMXnd ... → Continue reading
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