- 2 weeks after the second dose in a 2-dose series, such as the Pfizer or Moderna vaccines, or
- 2 weeks after a single-dose vaccine, such as Johnson & Johnson’s Janssen vaccine
- COVID-19 vaccines are effective at preventing COVID-19 disease, especially severe illness and death.
- COVID-19 vaccines reduce the risk of people spreading COVID-19. There is information showing it is unlikely a vaccinated person who becomes infected with the coronavirus transmits it to someone else.
- If you have symptoms of COVID-19, or if you are sick, you should stay home.