But they can still get infected and have what is called a breakthrough case.
If youget a breakthrough infectionwill you need a booster shot down the line?
How Do Vaccines Compare to Natural Immunity?

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Immunity to COVID-19 can be acquired in two different ways, either through natural infection or vaccination.
This suggests that vaccine-induced immunity may be greater than natural immunity.
It can be difficult to compare the two.
Compared to vaccination, getting COVID-19 is, by far, the more dangerous option.
Does a Breakthrough Case Increase Your Immunity?
Emerging evidence shows that breakthrough infections can significantly enhance the immune response to variants of the virus.
Do You Still Need a Booster After a Breakthrough Infection?
The CDC recommends a booster dose for all eligible individualsincluding persons who get a breakthrough infection.
For the most recent updates on COVID-19, visit ourcoronavirus news page.
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American Medical Association.What doctors wish patients knew about breakthrough COVID infections.
Centers for Disease Control and Prevention.CDC recommends additional boosters for certain individuals.