Most people might have mild symptoms, but some people become severely ill.
Some people including those with minor or no symptoms may suffer from post-COVID conditions — or “long COVID”.
Older adults and people who have certain underlying medical conditions are at increased risk of severe illness from COVID-19.
Vaccines reduce the risk of COVID-19, including the risk of severe illness and death among people who are fully vaccinated.
Vaccines against COVID-19 are safe and effective. Vaccines teach our immune system to fight the virus that causes COVID-19.