US authorises the use of dual-variant covid-19 vaccine boosters
The US Food and Drug Administration authorised the use of versions of Moderna and Pfizer/BioNTech covid-19 vaccines that target both the original virus and two omicron subvariants
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The US Food and Drug Administration authorised the use of versions of Moderna and Pfizer/BioNTech covid-19 vaccines that target both the original virus and two omicron subvariants
