Coronavirus Disease 2019 (COVID-19) | COVID-19 | CDCFind links to guidance and information on all topics related to COVID-19, including the COVID-19 vaccine.Coronavirus Disease 2019 (COVID-19) | COVID-19 | CDC Skip directly to site content Skip directly to search An official website of the United States government Here's how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites. COVID-19 Search Search Close About COVID-19 Symptoms People with Certain Medical Conditions and COVID-19 COVID-19 Vaccines Testing Treatment How to Protect Yourself and Others Tools and Resources View All search close search search COVID-19 Menu Close search For Everyone About COVID-19 Symptoms People with Certain Medical Conditions and COVID-19 COVID-19 Vaccines Testing Treatment How to Protect Yourself and Others Tools and Resources View All Home Health Care Providers Long COVID Clinical Care Quick Reference Infection Control Guidance Containing COVID-19 in Non-U.S. Healthcare Settings View All Home Public Health Surveillance and Data Analytics Safety Precautions: Cleaning and Disinfecting for COVID-19 Interim Guidelines for Biosafety and COVID-19 CDC Science behind Long COVID Health Equity in COVID-19 Variants and Genomic Surveillance for SARS-CoV-2 SARS-CoV-2 Interagency Group View All Home View All COVID-19 About COVID-19 Symptoms People with Certain Medical Conditions and COVID-19 COVID-19 Vaccines Testing Treatment How to Protect Yourself and Others Tools and Resources View All Coronavirus Disease 2019 (COVID-19) Español Staying Up to Date People who are up to date with their COVID-19 vaccine have lower risk of severe illness. Learn More How to Protect Yourself and Others Learn how to protect yourself from COVID-19. Testing Learn what you need to know about COVID-19 testing. Treatment Learn about the types of COVID-19 treatments, symptom management, and recovery. For Professionals Healthcare Workers Information for healthcare workers about COVID-19. Health Departments Guidance, tools, and resources for health departments to address COVID-19. Featured People with Certain Medical Conditions and COVID-19 Get information about the risk factors of COVID-19 for the general public. Long COVID Basics Learn about the basics of Long COVID. What is COVID-19 Reinfection? Know why COVID-19 infection can reoccur. COVID-19 COVID-19 (coronavirus disease 2019) is a disease caused by a virus named SARS-CoV-2. It can be very contagious and spreads quickly. View All For Everyone About COVID-19 Symptoms People with Certain Medical Conditions and COVID-19 COVID-19 Vaccines Testing Treatment How to Protect Yourself and Others Tools and Resources View all Health Care Providers Long COVID Clinical Care Quick Reference Infection Control Guidance View All Public Health Surveillance and Data Analytics Safety Precautions: Cleaning and Disinfecting for COVID-19 Interim Guidelines for Biosafety and COVID-19 View All Sign up for Email Updates Contact Us Contact Us Call 800-232-4636 Contact CDC About CDC About CDC Organization Budget & Funding Careers & Jobs Policies Accessibility External Links Privacy Web Policies FOIA OIG No Fear Act Nondiscrimination Vulnerability Disclosure Policy Languages Languages Español Language Assistance Español 繁體中文 Tiếng Việt 한국어 Tagalog Русский العربية Kreyòl Ayisyen Français Polski Português Italiano Deutsch 日本語 فارسی English Archive CDC Archive Public Health Publications Contact Us Contact Us Call 800-232-4636 Contact CDC About CDC Organization Budget & Funding Careers & Jobs About CDC Policies Accessibility External Links Privacy Web Policies FOIA OIG No Fear Act Nondiscrimination Vulnerability Disclosure Policy Languages Languages Español Language Assistance Español 繁體中文 Tiếng Việt 한국어 Tagalog Русский العربية Kreyòl Ayisyen Français Polski Português Italiano Deutsch 日本語 فارسی English Archive CDC Archive Public Health Publications HHS.gov USA.govenusen-us1729150441https://coronavirus.gov