病毒传播途径 (bìngdú chuánbō tújiàng): This term refers to the different ways in which a virus can be transmitted, such as through respiratory droplets or contaminated surfaces.
隔离措施 (gélí cuòshī): This term refers to measures taken to isolate individuals who have been exposed to or infected with a virus in order to prevent further spread.
流行病学调查 (liúxíng bìngxué diàochá): This term refers to epidemiological investigations that study patterns and causes of diseases within populations, including tracking the spread of viruses.