Epidemiology
Transmission is via respiratory droplets or by virus-contaminated hands. Upper respiratory tract (nose, throat, sinuses) mucosa inflammation causes increased secretions, rhinorrhea and results in sneezing, and coughing facilitating the spread.
In United States URIs are the most common infectious illness in the general population. URIs are the leading reasons for people missing work and school. URI is the leading diagnosis in the office setting.
Read more about this topic: Upper Respiratory Tract Infection
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