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What is "cold season" in the United States?

ANSWER

In the U.S., most colds happen during the fall and winter. Beginning in late August or early September, the rate increases slowly for a few weeks and remains high until March or April, when it goes down. The reason may partly have to do with the opening of schools. Cold weather may also play a role because it leads you to spend more time indoors, where you're in closer contact with people who are contagious.

SOURCES: 

National Institute of Allergy and Infectious Diseases: "Common Cold." 

Palo Alto Medical Foundation: "The Common Cold." 

University of Virginia Health System: "Upper Respiratory Infection (URI or Common Cold)." 

National Jewish Medical and Research Center: "Getting Well When You Have a Cold or the Flu." 

Medline Plus: "Common Cold." 

FDA: "Colds and Flu: Time only Sure Cure." 

American Lung Association: "A Survival Guide for Preventing and Treating Influenza and the Common Cold."

UpToDate: "The common cold in adults: Diagnosis and clinical features."

Johns Hopkins Medicine: "Rhinovirus."

Reviewed by Sabrina Felson on March 22, 2017

SOURCES: 

National Institute of Allergy and Infectious Diseases: "Common Cold." 

Palo Alto Medical Foundation: "The Common Cold." 

University of Virginia Health System: "Upper Respiratory Infection (URI or Common Cold)." 

National Jewish Medical and Research Center: "Getting Well When You Have a Cold or the Flu." 

Medline Plus: "Common Cold." 

FDA: "Colds and Flu: Time only Sure Cure." 

American Lung Association: "A Survival Guide for Preventing and Treating Influenza and the Common Cold."

UpToDate: "The common cold in adults: Diagnosis and clinical features."

Johns Hopkins Medicine: "Rhinovirus."

Reviewed by Sabrina Felson on March 22, 2017

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How does humidity affect cold season?

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