A widely shared post is recirculating the long-disproven claim that mRNA vaccines alter human genomes. The post also repeats the false claim that mRNA vaccines will soon be added to the food supply.
Recommendation: 
Misleading claim circulates that updated COVID-19 vaccines are untested
Several popular vaccine opponents claim that the updated COVID-19 vaccines were not properly safety tested in humans, specifically emphasizing that Pfizer’s vaccine was tested in