Adenovirus Infections

Adenovirus infections encompass a diverse spectrum of illnesses caused by adenoviruses, which are non-enveloped DNA viruses commonly found in humans. These viruses can affect various organ systems, leading to respiratory, gastrointestinal, ocular, and genitourinary manifestations. Respiratory adenovirus infections are a frequent cause of acute respiratory illnesses, ranging from mild upper respiratory tract infections to severe pneumonia. Adenoviruses are also associated with outbreaks of acute respiratory disease, particularly in crowded or institutional settings such as military barracks and schools. Gastrointestinal adenovirus infections present as gastroenteritis, causing symptoms like diarrhea, vomiting, and abdominal pain. In ocular adenovirus infections, epidemic keratoconjunctivitis is a notable manifestation, characterized by severe conjunctivitis and potential corneal involvement. Genitourinary adenovirus infections are less common but can occur, leading to urinary tract symptoms. Adenovirus outbreaks are often managed by implementing infection control measures, and vaccines are available for certain adenovirus serotypes, primarily for military personnel. Treatment is generally supportive, addressing symptoms and complications as needed. While adenovirus infections are typically self-limiting, severe cases may require hospitalization and intensive care, especially in vulnerable populations. Ongoing research aims to better understand the diversity of adenovirus strains, improve diagnostic methods, and develop more effective antiviral strategies, contributing to the broader efforts to manage and prevent adenovirus infections.