USA|Covid-19. Scientists and public health experts say that vaccines are safe for most people
fyi Lundi 17 mai 2021 ((rezonodwes.com))–Here’s more information from health officials and agencies on the safety of COVID-19 vaccines: How COVID-19 vaccines are developed and tested so quickly ? Health experts and the World Health Organization have explained that vaccines go through several testing phases involving thousands of volunteers before they can be approved. Will
