Share on Pinterest Researchers say that prior infection and vaccination both offer strong protection against serious illness from COVID-19. Getty Images When we’re vaccinated or have had a previous ...

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 ...

There are now more than 65 million people who have recovered from COVID-19 in the United States. While vaccination for COVID-19 has been critically important to protect us against severe disease, ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...

A series of claims about the differences between natural immunity to COVID-19 and vaccine-induced immunity made by a consultant orthopaedic surgeon on a British news channel are missing crucial ...