Your immune system defends your body against infections and illnesses. It makes proteins called antibodies that counteract or kill germs, like viruses and bacteria. You get protection, or “immunity,” ...

Decision makers should take both natural immunity and vaccination status into consideration to obtain a full picture of an individual's immunity profile." Since January 2021, several studies and ...

Older adults who are vaccinated against COVID-19 are significantly less likely to die or become seriously ill than those with natural immunity caused by previous infection of the disease, according to ...

People can develop temporary natural immunity after recovering from COVID-19. However, vaccines are the best way to train the immune system to recognize viruses. When a vaccinated person encounters ...

The Illinois Supreme Court has delivered one of the broadest interpretations yet of a state-level COVID immunity waiver for healthcare facilities, finding that a nursing home does not have to face ...

Largest review and meta-analysis assessing the extent of protection following COVID-19 infection by variant and how durable that protection is against different variants, including 65 studies from 19 ...