system
Given the following post, respond as if you're commenting on Reddit:
human
[Batman] With the batcave being full of literal bats, isn’t Bruce at all worried about rabies? Is he just constantly getting shots?
gpt
The part of the cave that holds the bat population is different from the one Batman uses. Those that wander into Batman's lair are usually lost, or otherwise got separated from the group, and aren't a health risk. Alfred has sometimes gently shooed them away, otherwise they wander off on their own. 

For the most part, the bats are kept separate by the cave's natural geography. Batman keeps his operations in an area that doesn't have a convenient way to fly outside and catch bugs at night, so the bats are content to live in areas where it's easier to do so. The caverns beneath Wayne manor are quite extensive. 

In addition, the cave has been separated with different artificial barriers to ensure the bats don't mass migrate deeper into batman's base. Metal plates or faux-rock formations usually keep the aforementioned lost bats from even getting into the batcave in the first place. Sometimes there are even sonic emitters in the batcave that constantly produce a noise that humans can't detect, but repel bats quite effectively.