Novovirus: Yolo County, California, USA
Since May 1, the norovirus outbreak in Yolo County in northern California has topped the 4,000 case mark as of Wednesday. The Yolo County Health & Human Services Agency puts the case count at 4,001. The outbreak prompted the closure of several county schools just prior to the Memorial Day weekend.
China: H7N9 avian influenza case in Inner Mongolia Autonomous Region
The Health and Family Planning Commission of Inner Mongolia Autonomous Region reported their first human case of avian influenza A(H7N9) in a male patient from Wuyuan County of Bayannur City. Health officials say the patient is in stable condition and the source of infection was probably poultry reared in his place of residence.