Viral Infection: Causes, Symptoms, Tests & Treatment - Cleveland Clinic
https://my.clevelandclinic.org:443/health/diseases/24473-viral-infection
WEBViral infections are any illness you get from a virus (a small germ that uses your cells to reproduce). Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Many viruses go away on their own, but some cause life-threatening or chronic illnesses.
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