keyboard_arrow_down Etiket: Vaccines

Why We Get Some Vaccines Once and Some Every Year

Why We Get Some Vaccines Once and Some Every Year

Bu yazı sabitlenmiştir.

Most vaccines we received as children protect us for life without the need for extra supplements. However, we have to have more vaccines, especially the flu vaccine, and some vaccines such as Covid-19, which we have been at least twice. So why?