

And when it does occur, the illness tends to be mild.īut immunity varies significantly from person to person, so while many people mount a strong, durable immune response that protects them against delta after a previous infection, some may generate a weak immune response and remain at risk.ĭue to the unknowns, some experts are advising people who have had COVID-19 to get at least one vaccine dose to boost their antibody levels. Immunity after a previous infection does, in many cases, protect people from reinfection. Pfizer, Moderna, AstraZeneca, and Johnson & Johnson vaccines work well against the variants, including delta, especially when it comes to preventing severe illness, hospitalization, and death.īut those who previously had COVID-19 may wonder how strongly they are protected from acquiring the delta variant. The Centers for Disease Control and Prevention (CDC) announced this week that delta is now the most dominant variant in the United States, accounting for approximately 51 percent of all new cases. Visit our coronavirus hub and follow our live updates page for the most recent information on the COVID-19 pandemic. Due to the unknowns, some experts are advising people who have had COVID-19 to get one dose to boost their antibody levels.Īll data and statistics are based on publicly available data at the time of publication.And when they do occur, they tend to be mild.


Natural immunity does, in many cases, protect people from reinfection.Those who previously had COVID-19 may wonder how strongly they are protected from the delta variant.Share on Pinterest People who previously had COVID-19 are wondering how strongly they are protected from the delta variant.
