CNN  —  For 10 years, Americans have had access to flu shots that protect against four strains of the virus: two A strains and two B strains. Starting this fall, however, all the flu shots distributed in the United States will contain only three strains, and the change happened in part because of Covid-19. On …

The post The Covid-19 pandemic killed off one strain of the flu, and that will change the next vaccines appeared first on Egypt Independent.