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Special Bacteria Helps Heal Sick Bats | National Geographic
What's Causing Millions of North American Bats to Die?
How Solving this Medical Mystery Saved Lives | Nat Geo Explores
How The Immune System ACTUALLY Works – IMMUNE
An Acid Bird Bath | Wildest Wonders
Germs for Kids | Learn all about bacteria, viruses, fungi, and protozoa
Battle Against Bacteria: A Race Against The 'Superbug' | Disease Hunters | Part 2/3
In the 19th Century, Going to the Doctor Could Kill You | Nat Geo Explores
The bizarre mind-controlling parasite you contract from your cat
AIDS 101 | National Geographic
The Story of Ebola
Why plague doctors wore beaked masks