evidence: Yes, all WHO emergency-use listed or prequalified COVID-19 vaccines provide protection against severe disease and death from circulating COVID-19 variants. Any of the approved COVID-19 vaccines can be used either for the initial series or revaccination. [...] People who get COVID-19 after being vaccinated are much more likely to only experience mild symptoms as effectiveness against serious illness and death remains high. Vaccine effectiveness wanes over time, so it’s important to stay updated with your shots as recommended by your health care provider. [...] Like with any vaccine, some people will experience mild to moderate side effects after being vaccinated against COVID-19. This is a normal sign that the body is developing protection.