牛痘

Smallpox can be contained by vaccination.

种牛可以控制住天花。

Vaccination immunizes people against smallpox.

种牛能使人免患天花。

Vaccination for smallpox is efficacious.

种牛防天花是有效的。

Clinicians should maintain a high index of suspicion for vaccinia when evaluating vesiculopapular rashes in patients who have been vaccinated recently and in their close contacts.

临床医师当评估最接种或距离接触过接种者的患者丘疱疹时应保持对牛高度怀疑的心理指标。