Symptoms of COVID-19 | COVID-19 | CDC 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 by symptoms alone because some of the symptoms are the same
How to Protect Yourself and Others | COVID-19 | CDC 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
Surveillance and Data Analytics | COVID-19 | CDC 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 section at the bottom of this page
Types of COVID-19 Treatment | COVID-19 | CDC 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 others
Site Index | COVID-19 | CDC COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2 It can be very contagious and spreads quickly
Staying Up to Date with COVID-19 Vaccines | Covid | CDC CDC recommends a 2025-2026 COVID-19 vaccine for people ages 6 months and older based on individual-based decision-making The COVID-19 vaccine helps protect you from severe illness, hospitalization, and death