Diseased child

疾子───Diseased child

All had a history of recent contact with diseased birds or had been involved in caring for the child.───他们均有最近与病禽接触史或曾参与照顾该儿童。

Here "affecting" means having harmful influence, including both "the diseased mother-organ affecting the child-organ" and "the diseased child-organ involving the mother-organ.───这里的“及”意味着有害的影响包括“母病及子”和“子病及母”。

the child and his brother had direct exposure to diseased chickens during slaughtering.───该男童及其哥哥曾在屠宰期间直接接触病鸡。