Adenoviruses are usually spread from an infected person to others through: close personal contact, such as touching or shaking hands; the air by coughing and sneezing; touching an object or surface with adenoviruses on it, then touching your mouth, nose, or eyes before washing your hands. Some adenoviruses can spread through an infected person’s stool, for example, during diaper changing. Adenovirus can also spread through the water, such as swimming pools, but this is less common. Sometimes the virus can be shed (released from the body) for a long time after a person recovers from an adenovirus infection, especially among people who have weakened immune systems. This “virus shedding” usually occurs without any symptoms, even though the person can still spread adenovirus to other people.
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