* 중국 전체 감염자 3.8%만 흡연자, 흡연자 비율은 52%
* 미국 전체 감염자 1.3%만 흡연자, 흡연자 비율은 14%
* 전세계 2만3천명 대상 조사결과





MORE evidence smoking may cut the risk of coronavirus: Review of 28 studies shows number of smokers among hospitalised patients is 'lower than expected' as expert admits the mounting findings are 'weird'

* UCL reviewed 28 studies from China, US, France, South Korea and the UK
* It found smokers were less common than expected among COVID-19 patients
* Researchers said there data on smoking is not to a high standard and has holes
* But it's not the first time the unexpected link has been spotted by scientists
* One expert said 'something weird is going on with smoking and coronavirus'
* Here’s how to help people impacted by Covid-19


A review of scientific studies has added more evidence to the claim that people who smoke might have a lower risk of becoming seriously ill with COVID-19.

University College London academics looked at 28 papers and found the proportions of smokers among hospital patients were 'lower than expected'.

One public health professor said there was 'something weird going on with smoking and coronavirus' and experts are struggling to explain the connection.

One of the studies showed that in the UK the proportion of smokers among COVID-19 patients was just five per cent, a third of the national rate of 14.4 per cent.

Another found in France the rate was four times lower. In China, a study noted 3.8 per cent of patients were smokers - despite more than half of the population regularly smoking cigarettes.

When smokers do get diagnosed with the virus, however, they appear to be more likely to get so sick that they need ventilation, two studies in the review showed.

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