经空气传播 meaning in Chinese

air-borne transmission

The airborne disease that we all thought had been eliminated by the 1960s , is now killing nearly 2 million people worldwide every year
这种经空气传播的疾病据信在上个世纪60年代已被消灭，而现在每年造成大约200万人死亡。
The authors conclude that opening windows and doors maximizes natural entilation and that the risk of airborne contagion is lower than with mechanical entilation systems
研究者们推断，打开门窗能使自然通风最大化，因此经空气传播的感染性疾病患病率要低于在机械通风系统中。
As tb is an airborne disease which can be spread from person to person via airborne droplets from coughing and sneezing of people with active tb , and that the disease exhibits a latent period which can vary significantly among individuals , the source of infection for most of tb cases is unidentifiable
由于结核病是经空气传播的疾病，可经患有活跃结核病的人士咳嗽及打喷嚏时所产生的飞沫，透过空气以人传人的方式传播，加上该疾病在不同人士身上的潜伏期可以差异很大，因此大部分结核病个案的感染源头都无法确定。