Adenoviral pneumonia

Since 1958, it has been confirmed in various parts of China that in addition to upper respiratory tract infections, adenovirus can cause pneumonia in children. It is most common in infants and young children aged 6 months to 2 years. Adenovirus pneumonia is the most critical, especially in northern provinces. Also more than in the south. North China, Northeast China, and Northwest China had a large-scale adenoviral pneumonia epidemic in the winter of 1958 and the winter of 1963, with extremely severe illness. Adenovirus is usually transmitted through the respiratory tract. Adenovirus upper respiratory infections and pneumonia often occur in collective child institutions. Human serological studies have shown that adenovirus-specific antibodies transmitted from mothers often remain in the first few months after birth, and antibodies have been absent until the age of two, and only gradually increased after the age of two. This is in full agreement with the clinical observation that 80% of adenoviral pneumonia occurs in infants from 7 to 24 months. It is worth noting that the greater the number of susceptible people in each age group, the greater the number of adenovirus respiratory infections, and the greater the chance of infants and young children developing adenoviral pneumonia. Adenoviral pneumonia is more common in northern China in the winter and spring, and it is only occasionally seen in summer and autumn, and it is more common in Guangzhou in the fall. This type of pneumonia accounts for about 20% to 30% of viral pneumonia in Beijing.

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