Closely monitor infants and young children, if there was unexplained crying, vomiting, fever, cloudy urine, hematuria, oliguria or urine, and other phenomena, should immediately to hospital.

• 密切观察婴幼儿，如出现不明原因哭闹、呕吐、发热、尿液混浊、血尿、少尿或无尿等现象，应立即到医院就诊。