Are certain viruses seasonal?

Some viruses are more common during certain seasons. This is often due to seasonal factors affecting how the virus spreads. The flu, for example, is caused by a virus that tends to occur -- and is more easily spread -- during the wintertime. One reason for this may be that people are more often crowded together indoors during the winter, so the virus can spread more easily. Other viruses, like the Zika virus, are spread by mosquitoes. So you’ll see infections more often during mosquito season.
Howard I. Baron, MD
Pediatric Gastroenterology
Certain viruses that cause children gastrointestinal upset are seasonal, says Howard Baron, MD, a pediatric gastroenterologist at Sunrise Hospital. In this video, he describes which viruses may strike children during particular seasons. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.