World News for Students of English

23-06-2020 07:00

Some people get very sick from COVID-19 while others do not. The reason why may be linked to a person’s blood type.

A study published in the New England Journal of Medicine looked at blood types of about 2,000 people in Europe with severe COVID-19 and compared them to several thousand other people who were healthy or who had only mild symptoms.

Scientists found that people with Type A blood were more likely to have severe disease while people with Type 0 were less likely. The findings are similar to what scientists discovered during the SARS outbreak. In fact, blood type has been linked to an increase in developing other illnesses like cholera, urinary tract infections and ulcers that can cause stomach cancer.

Difficult words: blood type (a classification of blood that is based on the presence of specific substances, and that states types A, B, AB and 0), cholera (a serious infectious disease caused by drinking infected water or eating infected food), ulcer (a break in the skin or on the surface of an organ inside the body).

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