Antigen detection, polymerase chain reaction assay, virus isolation, and serology can be used to identify<unk> s.<unk>  typing is usually accomplished by hemagglutination-inhibition and/or neutralization with type-specific antisera. Since<unk>  can be excreted for prolonged periods, the presence of virus does not necessarily mean it is associated with disease.
Adenovirus infection
Nipah virus infection
Influenza
Influenza 
Pneumococcal infection
Epstein–Barr virus infection
Living with COVID-19
Hookworm infection