Source: Brian Wang
SARS-related viruses in these bat populations have the potential to go directly into human cells and do not need that extra mutational step of infecting another host.
Blood tests of humans living near the bats found that mini-outbreaks occur and the people have antibodies against the various bat coronaviruses.
SOURCES – PLOS One, NPR
Written By Brian Wang, Nextbigfuture.com