Other viral pneumonia

In addition to the aforementioned common viral pneumonia, human viral pneumonia can also be caused by other viruses such as respiratory syncytial virus, parainfluenza virus, adenovirus, rhinovirus and the like. Respiratory syncytial virus (RSV) was first isolated by Morris from nasal secretions of gorillas with upper respiratory infections in 1955. It belongs to the family Pneumovirus of the Paramyxoviridae family, with only 1 serotype. . Infants under 6 months have the highest incidence. Infants and young children with pneumonia hospitalized with this virus accounted for 25% and bronchiolitis accounted for 75%. Parainfluenza virus belongs to the family Paramyxoviridae, with serotypes of 1, 2, 3, and 4 types. The main cause of pneumonia is type 3. Adenovirus is first isolated from adenoid tissues of the human body. The virus has 41 serotypes that can cause human diseases, of which 3, 4, 7, 11, 14, and 21 are likely to cause pneumonia. Types 3 and 7 are the most common. According to the virological surveillance of Beijing, Shanghai, Guangzhou, Hebei, Xinjiang and other places in China in recent years, adenovirus and respiratory syncytial virus caused by children with lower respiratory tract infections account for the first and second place respectively.

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