例如,可能着手研制疫苗,但并不需要同时决定是否进行接种,接种范围有多大以及优先考虑哪些接种者。
For example, you can proceed to develop a vaccine, but you do not simultaneously need to decide whether to proceed with immunization, what its scope will be and who priority recipients will be.
英国风疹免疫计划在以往25年中只规定女生接种,这种有性别针对性的计划使患病孕妇数量上升,并于1995年被迫进行修改,将男生也划入接种范围内。
In 1995, Britain's rubella immunisation programme was modified after 25 years to include boys as well as girls after a rise in the number of pregnant women contracting the disease.
加强根除疾病努力并推动其第二阶段取得成功,同时扩大常规免疫接种的范围,对阻断脊髓灰质炎流行至关重要。
Success in the second phase of this intensified eradication effort, coupled with improved access to routine immunization, is critical to stopping the epidemic.
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