The World Health Organization says vaccinations against disease save the lives of two to three million children every year. The WHO says almost 80 percent of babies are vaccinated against diseases like diphtheria, measles and whooping cough. 世卫组织称,疫苗接种每年挽救了两到三百万儿童的生命.世卫组织表示,近80%的婴儿接种了预防白喉,麻疹,百日咳等疾病的疫苗.
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