The Associated Press
BEIJING — A new case of bird flu in China's capital, a 4-year-old boy who displayed no symptoms, is adding to the unknowns about the latest outbreak that has caused 63 confirmed cases and 14 deaths, health officials said April 15.
The boy, who tested positive for the H7N9 virus, is considered a carrier of the strain and has been placed under observation to see if he develops symptoms, health authorities said. Medical teams found the boy in a check of people who had contact with a 7-year-old girl, who was confirmed as. . .

