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Since the new coronavirus (2019-nCoV) pneumonia, various absurd “teachings” have been flying, such as “Smoking prevents new crown infection “It is just one example. This variant rumor of” 谆谆 教 谆谆 “which had been played in SARS in 2003 seems to have won the hearts of people, and it frequently appeared in WeChat groups and circle of friends. Some people even carried Academician Zhong Nanshan’s thesis endorsement, saying that “Zhong Nanshan’s team published a heavy paper, the infection rate of smokers is much lower than that of non-smokers”, “the covering of lung oil by the smoke oil is equivalent to a tight protective layer “It makes the virus unable to attach and invade human cells,” said the people.

Figure 1. Screenshot of rumor message

Fortunately, although there are irresponsible scammers, there are also rumour-sweepers (Figure 1) . No, some people have done scientific research in the past 800 years, and helped us to clear the clouds and see the truth.

Recently, Guoshuai Cai, a researcher at the University of South Carolina, published an article on the academic preprint website Preprints ^{[1 ] , the researchers used the gene expression data of lung tissue samples from 224 patients to study the ACE2 gene of the novel coronavirus invasion receptor in different people.The level of expression in the group, trying to answer the scientific concern of the majority of smokers, “Can smoking prevent new crown virus infection?” Not only that, people also studied the popular conspiracy theory of “there is racial discrimination in viral infection”.}

Figure 2 Article published by Guoshuai Cai, a researcher at the University of South Carolina

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Author: Hongjun Xian, Xu Ying