COVID-19 Vaccinated Individuals May Still Become Ill: What You Need to Know
As vaccination campaigns against COVID-19 have reached billions worldwide, many people expected a complete end to infections. While vaccines have proven highly effective at reducing severe illness, hospitalization, and death, it is still possible for vaccinated individuals to become infected. These cases, often referred to as “breakthrough infections,” are an important part of understanding how vaccines work—and what they don’t fully prevent.