Feb 3, 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 …

Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal.

Daily and weekly updated statistics tracking the number of COVID-19 cases, recovered, and deaths. Historical data with cumulative charts, graphs, and updates.

Symptoms of COVID-19 (coronavirus), what to do if have severe symptoms, feel sick or were exposed, caring for others, treating COVID-19 and long-term symptoms.

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.

COVID-19 (coronavirus disease 2019) is a disease caused by the SARS-CoV-2 virus. It can be very contagious and can spread quickly. COVID-19 most often causes respiratory symptoms that can feel …

3 days ago · According to the CDC, BA.3.2 has approximately 70 to 75 changes in its spike protein compared with JN.1‑lineage viruses, which are targeted by current COVID‑19 vaccines.

Mar 20, 2026 · There is no cure for COVID-19, but individuals can be protected against severe illness through vaccination. Learn about the symptoms, treatment, and prevention of COVID-19.

1 day ago · A COVID-19 variant that went largely undetected for some time is being eyed by health officials as a steady increase of cases are being reported in the U.S. and other countries. Variant …

Mar 2, 2022 · COVID-19 is a severe acute respiratory syndrome caused by a new type of coronavirus, SARS-CoV-2, that emerged in 2019. The virus caused the first cases in China and then quickly …