Use this glossary to get familiar with terms often used in coverage of the novel coronavirus, which causes COVID-19. Aerosol: A tiny particle or droplet that’s suspended in the air. Antibody: A ...

There are many types of coronaviruses. Some give you the common cold. The coronavirus behind the 2019-2022 pandemic causes an illness called COVID-19. A virus infects your body by entering healthy ...

“Long COVID” means that people continue to experience COVID-19 symptoms for longer than usual after initially contracting the SARS-CoV-2 virus. Other terms for long COVID include post-COVID, ...

Pew Research Center conducted this study to understand Americans’ views of the coronavirus and COVID-19 vaccines. For this analysis, we surveyed 10,133 U.S. adults from Feb. 7 to 11, 2024. Everyone ...

Since the COVID-19 pandemic began, public health experts have learned a lot about who is most at risk of infection. They’ve also learned who is more likely to become severely ill or even die from its ...

Developing COVID-19 affects everybody differently. Some people don’t experience any symptoms, while other people have severe symptoms that require hospitalization. If no symptoms appear, it’s known as ...