A study of 20 bat genomes reveals that bats, known for their ability to fly, possess unique immune adaptations that render them largely invulnerable to many viruses, including those closely related to SARS-CoV-2. Researchers found that bats maintain their health without exhibiting the severe immune reactions seen in humans during infections. The study highlights significant evolutionary changes in immune genes across bat species, suggesting they have developed enhanced defenses against viral pathogens, making them key reservoirs for many deadly viruses without suffering ill effects.
Bats have evolved unique immune adaptations that allow them to control viral infections without the harmful immune overreactions seen in humans with severe COVID-19.
The study revealed that bats possess higher numbers of immune genes compared to other mammals, indicating significant evolutionary changes that enhance their viral resistance.
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