Americans seeking messenger RNA vaccines for Covid-19 for the first time will get one updated shot targeting both the Omicron variant and the original strain of the virus under new moves rolled out by the FDA.

Americans seeking messenger RNA vaccines for Covid-19 for the first time will get one updated shot targeting both the Omicron variant and the original strain of the virus under new moves rolled out by the FDA. https://ift.tt/G75mnAX