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

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

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 …

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.

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 …

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

Feb 5, 2026 · 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 lower your chances of spreading the virus to …

Las personas con COVID-19 tienen una amplia gama de síntomas que van desde síntomas leves hasta enfermedades graves. Los síntomas pueden aparecer de 2 a 14 días después de la exposición al virus.

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 …

Sep 5, 2025 · The primary goal of the COVID-19 vaccination program is to prevent severe illness and death. However, monitoring effectiveness of vaccines against infection provided insights into the …