Submitted by Jan_Sobasedski t3_y3eg5c in askscience
wattnurt t1_isd79ha wrote
Reply to comment by bio_med_guy in Has an animal species ever gone extinct from a naturally occurring disease? by Jan_Sobasedski
Most bacteria and viruses have multiple hosts. Wiping out a single one won't affect its viability.
pressurecan t1_isvpqk1 wrote
Especially because the relationship between “multiple” hosts can be predator and pray, and if one becomes sick, or weaker, while the other is completely fine, it might be advantageous to kill off one of the hosts so that it can live in the stronger one.
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