... following further mutations in the SARS-CoV-2 virus – Dr. Hess reserves judgment on vaccination.
The eyes of the entire scientific world are currently fixed on two countries: on the one hand, Israel, which has achieved the highest per capita vaccination rates and could therefore provide valuable lessons in terms of vaccine rollout, effectiveness, infectivity and herd immunity; and on the other, Brazil, specifically because of the SARS CoV-2 gene variants discovered there, which have led the British government to impose entry bans from the South American continent and from Portugal.