buck fever

例句：

1. 1. The buck fever is a serious disease that can be spread through close contact with infected animals.
   牛痘热是一种严重的疾病，可以通过与感染动物的密切接触传播。
2. 2. Many people are advised to get vaccinated against buck fever as it can cause severe complications if left untreated.
   许多人被建议接种牛痘热疫苗，因为如果不治疗，它可能会导致严重的并发症。
3. 3. In some regions, buck fever is still prevalent, and vaccination is essential for preventing the disease.
   在一些地区，牛痘热仍然很常见，因此预防该病的最佳方法是接种疫苗。