RIO DE JANEIRO, BRAZIL - A study in Israel found that one of the coronavirus vaccines is effective against the British variant of the coronavirus, but has limitations with the South African variant. The finding was made by researchers at Ben-Gurion University of the Negev who analyzed data from people who had received the vaccine produced by Pfizer of the United States and BioNTech of Germany.
Days earlier, another paper had been published suggesting that the vaccine developed by Oxford University with AstraZeneca did not give sufficient protection when infected with the South African variant.
The variant was first detected . . .