Which of the following may cause vaccine uptake to decline?
A. Decreasing incidence of the disease being prevented
B. Rumours about vaccines causing serious adverse effects
C. Lack of communication and social mobilisation activities accompanying vaccination programmes
D. All of the
vaccine question 4?
2021-02-03 7:31 pm
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收錄日期: 2021-04-24 08:11:36
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