Coronavirus infection and severe illness: What role do blood types and genetic genes play-BBC News

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After the outbreak of the new crown epidemic, people noticed that some people are more susceptible to the virus than others, and some infected people are more likely to develop symptoms than others, and there are significant differences in the severity of symptoms among different patients. However, so far, scientists still know it but do not know why, and are still looking for the root cause behind the phenomenon.

Gene is an entry point for research in this area. Which fragments of deoxyribonucleic acid (DNA) are related to COVID-19? If this association can be found, does it mean that everyone’s resistance to new coronary pneumonia is actually determined by genetic genes?

By comparing all the genomes in the DNA sequence one by one, scientists hope to determine whether there is an association between a specific genetic change and a specific disease.

So far, two clues worthy of continued follow-up have been found: changes in the two pieces of DNA located on chromosome 9 and chromosome 3.

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