在感染后最初几周可能毫无症状，或出现发热、头痛、皮疹或咽痛等流感样疾病症状。

The first few weeks after initial infection, individuals may experience no symptoms or a flu-like illness including fever, headache, rash or sore throat.

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猪流感症状主要包括：超过100度的发热，混身疼痛，咳嗽，咽痛，充血，有些病例还能出现呕吐腹泻症状。

Symptoms of the flu include a fever of more than 100 degrees, body aches, coughing, a sore throat, respiratory congestion and, in some cases, vomiting and diarrhea.

youdao

猪流感症状主要包括：超过100度的发热，混身疼痛，咳嗽，咽痛，充血，有些病例还能出现呕吐腹泻症状。

Symptoms of the flu include a fever of more than 100 degrees, body aches, coughing, a sore throat, respiratory congestion and, in some cases, vomiting and diarrhea.

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