Adenoviruses – infection, course and treatment

Discover the surprising symptoms and causes of adenovirus infections beyond diarrhea and vomiting. Learn how these viruses spread, their incubation period, and the different types affecting various systems like respiratory, gastrointestinal, and urogenital tracts. Find out about conjunctivitis, severe complications, diagnosis methods, and common treatments. Dive into this informative article to expand your knowledge!

Adenovirus is not just about diarrhea and vomiting. Most common adenovirus infections affect the upper respiratory tract, leading to symptoms like pharyngitis, rhinitis, and fever. There are over 50 types of adenoviruses, but only one-third can infect humans. Being infected with a particular serotype grants immunity to that type permanently but does not protect against others.

Adenoviruses come from sick or asymptomatic people and spread via direct contact, droplets, fecal matter, or contaminated objects. These viruses enter through mucous membranes during infection. The incubation period lasts between 5 to 12 days before symptoms appear. Virus shedding varies based on the kind of infection:

Types of infections:
Respiratory system – may result in typical cold without fever; otitis media (common for infants); pneumonia (accounts for up to 20% pneumonia cases in children). Severe respiratory issues can be caused by types 7, 5, 21 & 14 with complications such as bronchial necrosis & hyaline membranes affecting various organs including heart muscle and kidneys resulting high mortality rate especially among newborns/infants who develop this condition post birth). Gastrointestinal tract – responsible for causing around five to fifteen percent cases of acute viral gastroenteritis primarily impacting young children due to severe diarrhea episode(s). Urogenital tract – leads to conditions like acute hemorrhagic cystitis brought on by strains type-11 & type-21 mainly affecting immune compromised individuals particularly children (more common amongst boys) and adults; occasional occurrence of acute urethritis ; tubulointerstitial nephritis predominantly impacts immunosuppressed patients dealing with impaired kidney functioning following exposure/infection events related directly or indirectly involving urinary tracts respectively .
Adenovirus infections can cause conjunctivitis, especially after the age of 12. This condition may affect one or both eyes and might be accompanied by respiratory system, throat, and tonsil inflammation. Swimming pools could spread a type of conjunctivitis called “swimming pool conjunctivitis.” Severe respiratory diseases and nervous system disorders such as meningitis and encephalitis can also occur alongside adenovirus infections.

To identify an adenovirus infection, healthcare professionals typically rely on symptoms for diagnosis although lab tests can confirm it if needed. Test samples should be collected promptly depending on the symptoms – swabs from the throat, eye area (conjunctiva), anus, feces or urine might yield positive results. No specific cure exists; instead antipyretics (fever reducers) and painkillers ease discomfort while symptomatic treatments like cool compresses for eye issues and hydration for gastrointestinal problems are common remedies even without hospitalization in most cases with this infection.

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