Table 1.

Gender and age of 125 individuals who were in contact with the first identified H7N9 infected patient

	Healthcare personals	Family members	Poultry market and slaughterhouse	Social contact	Neighbors
Male	2	6	8	6	24
Female	4	7	9	14	45
total	6	13	17	20	69
Median age (years [interquartile range])	40 [27–43]	35.5 [8–74]	36.5 [15–61]	38 [3–64]	40 [1–70]