Similarly in neighbouring Mongolia, early results of surveys on hepatitis B prevalence among children are showing positive results since a national immunization campaign began in 1991.
毗邻的蒙古也是一样,自1991年开展全国计划免疫活动以来,对儿童的乙肝流行率进行了调查,早期结果显示出积极迹象。
There have been many cases where children have died when their parents left them in locked cars on b hot summer day.
炎热的夏季里,被父母锁在密封的汽车里而导致窒息死亡的案例有很多。
B. P. A. has trifling impact on children and pregnant women.
对孩子和怀孕妇女有很微弱的影响。
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