Genetics in focus after coronavirus deaths of siblings and twins

Recent deaths have stood out, but scientists say they must be interpreted with caution Amid the steady stream of stories on the lives lost to coronavirus are cases that stand out as remarkable. In the past month, at least two pairs of twins have died in Britain and two pairs of brothers, all within hours or days of each other. But do the deaths point to genetic factors that make some more likely than others to succumb to the disease? Most scientists believe that genes play a role in how people respond to infections. A person’s genetic makeup may influence the receptors that the coronavirus uses to invade human cells. How resilient the person is to the infection, their general health, and how the immune system reacts will also have some genetic component. Continue reading...
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