The symptomatology of 34 cases of virologically proved type 11 adenovirus pneumonia was studied, 32 of whichwere compared with 197 cases of types 3 and 7 adenovirus pneumonia.
In 22 cases under 2 years of age the onset was abrupt with persistent high fever, listlessness, drowsiness, pallor and cold extremities followed by dyspnea and cyanosis on the 3rd to 6th day. 17 cases had dullness and 5 tubular breathing sound on chest examination. Heart failure developed in 12 cases, and edema, in 1.
The white blood cell count was slightly lower than normal. Roentgenologically, two fifths of the cases had patchy or confluent shadows in the left lower lobe or both lower lobes. Severe or fatal cases accounted for 24.1% of the total. The percentage of severe and fatal cases of type 11 adenovirus pneumonia was much smaller than that of type 7. The difference was significant. As compared with type 3 adenovirus pneumonia, the percentage of severe cases of type 11 was nearly equal to that of type 3.
Key wordsadenovirus pneumonia symptomatology of pneumonia
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