One of the most terrifying aspects of the COVID-19 pandemic is that we don't know what makes one person die, another suffer for weeks, another have just a cough and fatigue, and yet another have no symptoms at all. Even the experts are flummoxed.
"I've been puzzled from the beginning by the sharp dichotomy of who gets sick. At first it was mostly older people with chronic disease, and then a young person with low risk would show up. It can be devastating and rapid in one individual but mild in another," said Anthony Fauci, MD, director of the National Institute of Allergy and Infectious Disease on a media webinar.
What lies behind susceptibility to COVID-19? Gender? Genetics? Geography? Behavior? Immunity? All of these factors may be at play, and they overlap.
To continue reading, go to Genetic Literacy Project, where this post first appeared.