Non-polio enteroviruses are very common viruses. They cause about 10 to 15 million infections in the United States each year.
Anyone can get infected with non-polio enteroviruses. But infants, children, and teenagers are more likely to get infected and become sick. That's because they do not yet have immunity (protection) from previous exposures to the viruses.
Most people who get infected with non-polio enteroviruses do not get sick. Or, they may have mild illness, like the common cold. But some people can get very sick and have infection of their heart or brain or even become paralyzed. Infants and people with weakened immune systems have a greater chance of having these complications.
You can get infected with non-polio enteroviruses by having close contact with an infected person. You can also get infected by touching objects or surfaces that have the virus on them then touching your mouth, nose, or eyes.
In the United States, people are more likely to get infected with non-polio enteroviruses in the summer and fall.
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