complication of smallpox vaccination

例句：

1. 1. The patient had a complication of smallpox vaccination that required immediate medical attention.
   这名患者因天花疫苗接种后出现了并发症，需要立即医疗关注。
2. 2. The doctor explained the possible complications of smallpox vaccination to theparents.
   医生向父母解释了天花疫苗接种可能的并发症。
3. 3. The child's health was compromised by the complications of smallpox vaccination.
   孩子的健康受到了天花疫苗接种并发症的影响。