> it's not yet clear whether infection with the COVID-19 virus even makes a person immune to future infection. If you don't become immune after getting the vir

> it's not yet clear whether infection with the COVID-19 virus even makes a person immune to future infection. If you don't become immune after getting the virus, how would you become so after vaccination? My understanding is that vaccines have a weaker version or a portion of the virus inside them, and your body needs to make antibodies. But if that doesn't happen?