Pfizer, Moderna vaccines reduced infection risk by 90%: U.S. study

Coronavirus vaccines developed by Pfizer Inc. and Moderna Inc. reduced the risk of infection by 90 percent at least two weeks after full vaccination, according to a study by the U.S. health protection agency released Monday.The vaccines' high effectiveness has been confirmed in "real-world conditions" among health care personnel and other essential workers, who are more likely than the general population to be exposed to the novel coronavirus because of their occupations, the Centers for Disease Control and Prevention said. The study involved nearly 4,000 participants in six states in the …READ FULL ARTICLE