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.

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.

COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly.

Apr 17, 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 …

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.

View the Respiratory virus data dashboards to see data about COVID-19, RSV, and influenza in King County. This section shows the total COVID-19 hospitalizations and deaths due to COVID-19 in King …

We now know that COVID-19 is here to stay for the foreseeable future. It’s important to understand how to live our lives while keeping ourselves, loved ones and community as safe as possible. How can …

Feb 28, 2025 · COVID-19 is an illness caused by the SARS-CoV-2 virus. It spreads through respiratory droplets.

Apr 13, 2024 · Daily and weekly updated statistics tracking the number of COVID-19 cases, recovered, and deaths. Historical data with cumulative charts, graphs, and updates.

Mar 30, 2026 · Learn about the COVID-19 Cicada variant, including symptoms, how it spreads and simple steps to protect yourself.