Mar 10, 2025 · People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. Symptoms may appear 2-14 days after exposure to the virus. Symptoms may start as …

Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. Starting in January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. In …

Featured People with Certain Medical Conditions and COVID-19 Get information about the risk factors of COVID-19 for the general public.

In epidemiology, a pandemic is defined as "an epidemic occurring over a very wide area, crossing international boundaries, and usually affecting a large number of people". During the COVID-19 …

Apr 13, 2026 · The heavily mutated new BA.3.2 COVID-19 variant, aka "cicada," is circulating in at least 31 U.S. states, data show. What to know about its spread and symptoms.

Jun 26, 2026 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and …

May 31, 2026 · Stay informed about COVID-19 symptoms and prevention. Explore WebMD's comprehensive resource for information on signs, precautions, and the latest updates.

Mar 13, 2026 · Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.

Nov 27, 2025 · COVID-19 is a disease caused by the SARS-CoV-2 coronavirus. There are a range of signs and symptoms, but hte most common symptoms reported for currently-circulating variants are …

May 26, 2026 · COVID-19 can sometimes be treated at home. Understand emergency symptoms to watch for, how to protect others if you're ill, how to protect yourself while caring for a sick loved one …