Indicate epidemiology investigation , confirm on the grounds of international sampling investigation, major part in the cancerogenic patient who has a smoke is a passive smoker.
流行调查表明,据国际性的抽样调查证实,吸烟致癌患者中的大部分是被动吸烟者。
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Timothy Brewer, an epidemiology professor at the University of California, Los Angeles, says vaccinated people are decently well protected and unlikely to catch Flurona, and if they do, they should have fewer complications.
加州洛杉矶分校的流行病教授蒂莫西·布鲁尔说,接种疫苗的人受到了很好的保护,不太可能感染Flurona,就算他们感染了,并发症也应该会更少。