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Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [ 1 ] [ 9 ] Typical symptoms range from those of a common cold , such as nasal congestion , rhinitis , and cough , to difficulty breathing as in pneumonia . [ 9 ]
Human adenovirus 36 (HAdV-36) or Ad-36 or Adv36 is one of 52 types of adenoviruses known to infect humans. AD-36, first isolated in 1978 from the feces of a girl suffering from diabetes and enteritis, [ 1 ] has long been recognized as a cause of respiratory and eye infections in humans. [ 2 ]
Adenoviral keratoconjunctivitis, also known as epidemic keratoconjunctivitis, is a contagious eye infection, a type of adenovirus disease caused by adenoviruses. [1] It typically presents as a conjunctivitis with a sudden onset of a painful red eye, watery discharge and feeling that something is in the eye. [3]
There are three main viruses that have been studied and confirmed as the agents responsible for AHC, including enterovirus 70, coxsackievirus A24 variant (CA24v) and adenovirus 11. AHC can only exist in a human host and is transmitted through human contact with an infected individual or object, such as a towel used by an infected person.
Most infections with adenovirus result in infections of the upper respiratory tract. Adenovirus infections often present as conjunctivitis, tonsillitis (which may look exactly like strep throat and cannot be distinguished from strep except by throat culture), an ear infection, or croup. [40]
Human adenovirus 41 (HAdV-F41), is an enteric Adenovirus, a nonenveloped virus with an icosahedral nucleocapsid containing a double-stranded DNA genome. [ 1 ] It can particularly target the gastrointestinal tract to cause gastroenteritis , with symptoms similar to rotavirus gastroenteritis and norovirus . [ 2 ]
What they look like: Chiggers, a type of small mite, typically leave clusters of bites that are often very itchy. In many cases, chigger bites appear as small, red and itchy bumps. Sometimes, they ...
The common cold is the most common human disease [21] and affects people all over the globe. [40] Adults typically have two to three infections annually, [8] and children may have six to ten colds a year (and up to twelve colds a year for school children). [13] Rates of symptomatic infections increase in the elderly due to declining immunity. [41]