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About Coronavirus Disease 2019 (COVID-19)

Coronaviruses are a group of viruses that cause respiratory tract infections. Some viruses cause mild colds, while others are more serious.  This new form of coronavirus was first detected in Wuhan City, Hubei Province, China and the disease it causes has been named Coronavirus Disease 2019 or COVID-19.

Visit the Centers for Disease Control and Prevention for more information on the symptoms, transmission and prevention of COVID-19:


How It Spreads

Prevention & Treatment


What to Do if You Are Sick

Stigma & COVID-19

Frequently Asked Questions


Are you a New Hampshire resident with questions on COVID-19?

Please call 2-1-1 to learn more about COVID-19 and your potential risk.  Phone dial: 1-866-444-4211.  TTY: 603-634-3388


Symptomatic people should call their healthcare provider for a risk assessment. Please do not direct your symptomatic patients to call NH Division of Public Health Services. Providers should use the updated testing algorithm in the DHHS HAN #9 to guide testing decisions. If the provider establishes that testing is warranted for COVID-19, please contact NH DPHS at (603) 271-4496 (after-hours 603-271-5300).


Everyone can assist in preventing the spread of any infectious disease, including COVID-19, by practicing basic prevention measures such as the following:  


Updated May 2021:  NH Public Health Recommendations for People Who Are Fully Vaccinated When Around Others From Outside the Household


For more information, visit