With the virus having in mere weeks infected scores and the number of fatalities well into double digits, the toll on the mainland is considerably more than that from H5N1 at a similar stage. Photo: AFP

H7N9 flu safety starts at home

Complacency is the biggest threat to public health. The latest bird flu strain to affect people, H7N9, is spreading on the mainland and it is only a matter of time before there are cases in Hong Kong. That could come sooner than we think.