Mar 10, 2025 · 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 …

Treatment Learn about the types of COVID-19 treatments, symptom management, and recovery.

Learn about COVID-19, the virus that causes it, how it spreads, and its variants.

Mar 10, 2025 · 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.

Sep 5, 2025 · This page provides an overview of COVID-19 data and trends over time. Other COVID-19 related data visualizations (previously on CDC’s COVID Data Tracker) are provided in the resources …

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

Mar 10, 2025 · COVID-19 testing can help you know if you have COVID-19 so you can decide what to do next, like getting treatment to reduce your risk of severe illness and taking steps to lower your …

Jul 30, 2025 · COVID-19 vaccine recommendations, what to expect when getting a vaccine, and vaccine effectiveness.

Jul 24, 2025 · Symptoms can last weeks, months, or years after COVID-19 illness and can emerge, persist, resolve, and reemerge over different lengths of time. Long COVID may not affect everyone …

Jun 5, 2025 · The Coronavirus Disease 2019 (COVID-19) Hospitalization Surveillance Network (COVID-NET) monitors laboratory-confirmed, COVID-19-associated hospitalizations among children and adults.