how come ‘zombie’ parasites are able to infect species like snails but not humans?
In: Biology
Mammals tend to have extremely robust immune systems and high intelligence that makes that type of infectious disease unlikely to evolve and successfully spread Last of Us style. However it does exist in the form of Rabies for example.
Meanwhile most invertebrates have more simplistic immune systems and lower intelligence and largely more on quantity over quality. Infectious diseases can more easily take hold and influence them.
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