Covid-19 vaccine: Time between Pfizer and Moderna Covid-19 doses can be up to 8 weeks for some people, updated CDC guidance says

Covid-19 vaccine: Time between Pfizer and Moderna Covid-19 doses can be up to 8 weeks for some people, updated CDC guidance says

CNN – The interval between first and second doses of the Pfizer and Moderna Covid-19 vaccines may be as long as eight weeks for certain people, the US Centers for Disease Control and Prevention said in vaccine guidance updated Tuesday. Previous guidance said the second doses should be administered three weeks after the first shot … Read more