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

2025年3月10日 · CDC’s Respiratory Virus Guidance provides strategies you can use to help protect yourself and others from health risks caused by COVID-19 and other respiratory viruses. These …

COVID-19 (coronavirus disease 2019) is a disease caused by the SARS-CoV-2 virus. It can be very contagious and can spread quickly. As of June 1, 2024, nearly 1.2 million people have died of …

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

Guidance, tools, and resources for health departments to address COVID-19.

2025年3月10日 · COVID-19 is caused by infection with a coronavirus named SARS-CoV-2, and flu is caused by infection with one of the influenza viruses. You cannot tell the difference between flu and …

2026年3月19日 · Additional COVID-19 Data and Visualizations Coronavirus Disease 2019 (COVID-19) Hospitalization Surveillance Network (COVID-NET) COVID-NET monitors COVID-19-associated …

3 天之前 · View data for COVID-19, flu, and RSV activity in your community and across the United States.

2026年2月5日 · COVID-19 Treatment Options Testing for COVID-19 Testing for COVID-19 can help you decide what to do next, like getting treatment to reduce your risk of severe illness and taking steps to …

2024年7月8日 · Apple, in partnership with HHS, CDC, and the White House Coronavirus Task Force, releases an app with a COVID-19 symptom and exposure questionnaire telling people how to isolate …