相互传染

例句：

1. 1. The disease spreadsquickly among the people in thecommunity.
   这种疾病在社区中迅速传播。
2. 2.The virus is easily transmitted through contact withinfected individuals.
   这种病毒可以通过与感染者接触来传播。
3. 3. The news of the scandalspread rapidly throughout the town.
   丑闻的消息迅速在整个城镇传开。