Hygiene and play habits make children especially vulnerable to infection, and in many areas a large proportion of school-age children are infected.

卫生习惯和通常玩耍方式使儿童尤易受到感染，许多地区的大量学龄儿童已受感染。

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The frequency of treatment is determined by the prevalence of infection or visible haematuria (in the case of urogenital schistosomiasis) in school-age children.

干预频率根据学龄儿童中的感染率或可见血尿（只适用于尿路血吸虫病）的发生率确定。

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Objective To investigate the infection status of Norwalk virus in school canteen workers in Meixian and provide the scientific basis for Norwalk virus gastroenteritis control and prevention.

目的了解梅县学校食堂厨工诺瓦克病毒感染情况，为诺瓦克病毒胃肠炎预防控制工作提供科学依据。

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Writing in The Lancet Infectious Diseases medical journal, Prof Laura Piddock of the school of immunity and infection at the University of Birmingham warned there were global implications from the misuse of antibiotics, and drug companies' failures to develop new ones.

BBC: Myth that antibiotics cure coughs and colds still rife

The work is a joint collaboration between the School of Pharmacy and Centre for Infection and Immunity at Queen's.

BBC: lungs

Approximately 24% of people had been infected overall, but half of school-age children showed signs of infection.

BBC: Swine flu infected 'fifth of people'