“A cold is a viral infection of the upper respiratory tract (also called an upper respiratory infection or URI). Colds usually last less than a week and are caused by different respiratory viruses.”

“More than 200 respiratory viruses can cause colds. #Rhinoviruses are the most frequent cause of colds in the United States.”

#CommonCold #virus #viruses #achoo #coronavirus #parainfluenza #adenoviruses #enteroviruses
#humanMetapneumovirus
https://www.cdc.gov/common-cold/about/index.html