What does enterovirus mean?
An enterovirus is any member of a large group of tiny RNA viruses that take hold in the human intestinal tract, typically spreading through contaminated food, water, or close contact. Although infection is often mild — producing little more than a summer fever, sore throat, or rash — enteroviruses can travel through the bloodstream to the nervous system and other organs, occasionally causing serious illness such as viral meningitis, hand-foot-and-mouth disease, inflammation of the heart, and, in the case of poliovirus, paralysis. The group includes coxsackieviruses, echoviruses, polioviruses, and numbered strains such as enterovirus D68, which has been linked to outbreaks of severe respiratory illness in children. The word belongs to medical and scientific registers rather than everyday speech, appearing most often in news coverage of disease outbreaks and clinical literature. Its Greek root, meaning intestine, points to where these viruses make their home before potentially spreading elsewhere in the body.
nounAny of a group of small RNA viruses that infect the intestinal tract and can spread to other parts of the body, causing illnesses ranging from mild fevers and rashes to meningitis, hand-foot-and-mouth disease, and poliomyelitis.
- Any of numerous small single-stranded RNA viruses of the genus Enterovirus (family Picornaviridae) that replicate in the human intestinal tract and are transmitted mainly by the fecal–oral route, including polioviruses, coxsackieviruses, echoviruses, and numbered types such as EV-D68.
"Doctors identified an enterovirus as the cause of the outbreak of aseptic meningitis at the summer camp."
"Most children infected with an enterovirus show only mild symptoms, such as fever and sore throat."
"Public health officials traced the cluster of paralysis cases to enterovirus D68."
Regular English plural; standard in both British and American usage.
"Several enteroviruses circulate each year, with infections peaking in summer and early autumn."
The same family of viruses that usually causes nothing worse than a mild summer fever includes the virus behind polio — one genus, wildly different outcomes.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of enterovirus
The word combines the Greek "enteron," meaning intestine or gut, with "virus" — the Latin word for poison or venom, adopted into scientific Latin to mean an infectious agent. The term was coined in the twentieth century as virologists recognized a class of gut-dwelling viruses distinct from those infecting the airways. The root "enteron" also survives in related English words such as "enteric" and "enteritis," both describing the intestines, while "virus" underpins a host of other pathogen names like rhinovirus and retrovirus.
How enterovirus is actually used
Strictly a technical term used in medicine, virology, and public-health reporting; it rarely appears in casual conversation. Pluralized as "enteroviruses." Specific strains are referred to by type names (poliovirus, coxsackievirus) or alphanumeric designations (EV-D68).
Easily confused with enterovirus
A rhinovirus primarily infects the nasal passages and causes the common cold, whereas an enterovirus primarily infects the intestinal tract though it may spread systemically.
Rotavirus is a double-stranded RNA virus best known for causing severe childhood diarrhea, while enteroviruses are a broader group whose effects often extend well beyond the gut.