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.

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 …

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

The global COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak in Wuhan, China, in …

The coronavirus RNA genome has a 5′ methylated cap and a 3′ polyadenylated tail, which allows it to act like a messenger RNA and be directly translated by the host cell's ribosomes. The host …

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.

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 …

2 days ago · COVID-19 is characterized by a variety of symptoms, including fever, cough, congestion, fatigue, shortness of breath, headache, sore throat, nausea or vomiting, loss of smell or taste, and …

Nov 19, 2025 · If you test positive for COVID this winter, here's what to do, how long to isolate and how to protect others, according to infectious disease experts.

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 …

Sep 10, 2025 · COVID-19 was more than a medical event; it was a mirror reflecting the strengths and weaknesses of humanity. It revealed the vulnerability of global systems, the courage of healthcare …