CDC - Clinical Signs and Symptoms of Influenza | Health ...

CDC - Clinical Signs and Symptoms of Influenza | Health ...

瀏覽:1260
日期:2024-11-11
Influenza viruses are spread from person to person primarily through large- particle ... in the air for long periods of time) also is thought to be possible, although data ... The typical incubation period for influenza is 1—4 days (average : 2 days)....看更多