<unk>  can cause severe necrotizing pneumonia in which all or part of a lung has increased translucency radiographically, which is called Swyer-James Syndrome. Severe<unk>  pneumonia also may result in bronchiolitis obliterans, a subacute inflammatory process in which the small airways are replaced by scar tissue, resulting in a reduction in lung volume and lung compliance.
Adenovirus infection
Nipah virus infection
Influenza
Influenza 
Pneumococcal infection
Epstein–Barr virus infection
Living with COVID-19
Hookworm infection