Bats naturally have high body temperature from flying. This likely make them more resistant to viral infection, which turns them into carriers. https://www.live

Bats naturally have high body temperature from flying. This likely make them more resistant to viral infection, which turns them into carriers. https://www.livescience.com/44870-bats-viruses-flight.html https://www.livescience.com/44870-bats-viruses-flight.html