护理学跨考公共卫生：流行病学让我着迷，杭州新冠疫情溯源案例分享

英文回答：

'My favorite course in college is epidemiology. The reason why I am so fascinated by this subject is that it helps us understand how diseases spread and how we can prevent them from spreading. In 2021, there was a major COVID-19 outbreak in Hangzhou, China. It was interesting to see how epidemiologists traced the source of the infection back to the virus present in an elevator. This story highlights the importance of understanding how diseases spread and how we can prevent future outbreaks.'

中文回答：

'我在大学最喜欢的课程是流行病学。我对这门学科着迷的原因是，它帮助我们了解疾病的传播方式以及如何防止疾病的传播。在2021年，中国杭州爆发了一起严重的新冠肺炎疫情。有趣的是，流行病学家追溯感染源头时发现，病毒来自一部电梯。这个故事突显了理解疾病传播方式以及如何预防未来疫情爆发的重要性。'