Pfizer study suggests vaccine works against virus variant

By LAURAN NEERGAARD, AP Medical Writer New research suggests that Pfizer’s COVID-19 vaccine can protect against a mutation found in two easier-to-spread variants of the coronavirus that erupted in Britain and South Africa. Those variants are causing global concern. They carry multiple mutations but share one in common that’s believed to be the reason they are more contagious. Called N501Y, it is a slight alteration on one spot of the spike protein that coats the virus. Most of the vaccines being rolled out around the world train the body to recognize that spike protein and...