What are adenovirus infections?
Definition Adenoviruses are DNA viruses (small infectious agents) that cause upper respiratory tract infections, conjunctivitis, and other infections in humans. Description Adenoviruses were discovered in 1953. About 47 different types have been identified since then, and about half of them are believed to cause human diseases. Infants and children are most commonly affected by adenoviruses. Adenovirus infections can occur throughout the year, but seem to be most common from fall to spring. Adenoviruses are responsible for 3-5% of acute respiratory infections in children and 2% of respiratory illnesses in civilian adults. They are more apt to cause infection among military recruits and other young people who live in institutional environments. Outbreaks among children are frequently reported at boarding schools and summer camps. Another example includes an increased outbreak of gastroenteritis among cruise passengers in 2002. Acquired immunity Most children have been infected by at lea
