Covid-19 Vaccine Why do children 12-17 have to get Pfizer injections with 3 Czechs?
and when the second dose of vaccination was longer than 5 months, it was found that the effectiveness in the age group 12-15 years reduced to 38% Age group 16-17 years old reduced to 46% When the 3rd needle was injected for the age group 16-17 years old Increased productivity from 46% to 86%. In … Read more