infectious diseases
Overview of Enterovirus Infections
Parechoviruses
Human parechoviruses types 1 and 2 are picornaviruses that were previously named echovirus 22 and 23. However, the parechoviruses have been reclassified into a separate genus ( References ). Parechovirus A can infect humans and has at least 19 types; most cause mild gastrointestinal and respiratory illness similar to the enteroviruses, but some types are a common cause of viral sepsis and/or meningitis in infants. Human parechoviruses are not identified by most standard enterovirus RT-PCR tests; specific parechovirus RT-PCR testing is required ( 