COVID-19 Glossary of Terms
As the COVID-19 pandemic develops, it can be difficult to stay ahead of the latest COVID-19 terminology, especially as new variants, vaccines and treatments appear. Stay current on the latest terminology with the AMA’s COVID-19 glossary.
What is long COVID?
People with long COVID, also known as long-haul COVID or chronic COVID, experience new or lingering symptoms, even after recuperating from the virus.
What is the BA.2 or “stealth” Omicron subvariant?
More cases are being reported for the sub variant (BA.2) of the Omicron variant, referred to as “stealth” Omicron, for SARS-CoV-2 (the virus that causes COVID-19).
What is a COVID-19 variant?
A variant in a virus develops after that virus mutates. Sometimes that mutation results in a new strain (variant) of the virus.
What is a COVID-19 booster dose?
AMA has news, FAQs, videos and more on COVID-19 vaccine booster doses. Learn more about booster shots and ways to protect against COVID-19.
What is the Omicron variant?
AMA provides news, videos and more on the Omicron variant of SARS-CoV-2. Ongoing research is being conducted on the Omicron variant and COVID-19 treatments.
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COVID-19: What you need to know
Explore top articles, videos, research highlights and more from the AMA—your source for clear, evidence-based news and guidance during the pandemic.
Health care experts on infectious disease
Infectious Diseases Society of America Education on AMA Ed Hub™ provides lifelong learning for health care professionals interested in infectious diseases updates developed by experts.