Medical Definition of Parechovirus

Reviewed on 7/14/2022

Parechovirus is a type of virus closely related to the enteroviruses that can occasionally cause serious illness in babies and young children. Most people who become infected with the human parechovirus do not show symptoms, and among those who do, most have only a mild illness. Parechovirus spreads through contact with an infected person through air droplets (from coughing or sneezing). It can also spread through saliva or stool. The virus can also spread by contact with contaminated surfaces and objects. In the rare case when the virus causes severe illness in babies or young children, the symptoms come on rapidly and progress to sepsis (infection of the bloodstream), encephalitis, or meningitis.



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Australia. health Direct. "Parechovirus." July 2020. <>.