China Scene: Central

Strange ailment defies diagnosis

The parents of 8-year-old Xu Wenjing are searching for medical experts who can identify and treat their daughter's mysterious ailment, which makes her vomit one week a month. After the weeklong period of sickness, the girl from Minquan county, Henan province, is healthy for the following three weeks.

The first grader has suffered from the ailment for six years, ever since she underwent surgery aged 18 month.