The COVID-19 pandemic has been unpredictable from the beginning.
It didn’t take long to notice that some people were more susceptible to the virus than others. While there were many cases in which those with pre-existing conditions were hit hard by the virus, thousands of cases in which seemingly-healthy individuals were deathly ill, and those with pre-existing conditions sailed through unphased.
How is this possible? How could young, healthy individuals be more impacted by the virus than at-risk individuals?
Science is discovering that genetics could be at play. For instance, studies have found:
- Some genes provide protection against COVID-19, while others increase the risk of susceptibility
- Those with O-type blood have better protection against COVID-19, but scientists aren’t sure why
- Individuals with a gene called toll-like receptor 7, or TLR, are more likely to get severe COVID-19
While science has made many advances, genetic tests to determine your susceptibility to developing severe COVID-19 are too unpredictable. Although you may see direct-to-consumer tests about COVID-19 susceptibility, it’s best to do thorough research beforehand or talk with your physician about the accuracy of these tests. Genetic information is helpful to staying healthy–but only if results are accurate!
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