Doctor's Note: Why Are Smokers More Vulnerable To Coronavirus? A doctor explains why smokers are more likely to contract respiratory illnesses. Smoking is one of the leading causes of death in the world, killing more than eight million people a year, according to the World Health Organization (WHO). Now, it is thought that smoking may also make people more vulnerable to developing serious complications if they catch coronavirus. In the United Kingdom, the health secretary, Matt Hancock, has said : "It is abundantly clear from the research into previous coronaviruses that smoking makes the impact of a coronavirus worse." We do know that smokers contract more respiratory illnesses , including the common cold which is also a coronavirus, than non-smokers. They also tend to have a higher rate of bacterial pneumonia and tuberculosis. During the Middle Eastern Respiratory Syndrome (MERS) outbreak in 2012, smokers were found to be more ...