Lijiang reports that "some tourists have vomiting and diarrhea" and all patients have improved and been discharged. October to March of the following year is the peak season for norovirus infections.

Common symptoms include nausea, vomiting, fever, abdominal pain and diarrhea. Lijiang City is located in the northwest of Yunnan Province, on the southeastern edge of the Qinghai-Tibet Plateau, in the east of the Hengduan Mountains, and in the middle reaches of the Jinsha River.