Which disease might be prevented by not sharing a water bottle?
a. salmonella poisoning
b. conjunctivitis
c. cold sores
d. athlete's foot

C. Cold Sores. 
Cold sores aren't contagious IF you aren't having a flare up, but if you have an active cold sore on your lip, the next person to touch whatever your mouth has touched (without sanitation inbetween) will have cold sores. This is because cold sores are caused by a strain of the herpes virus, an incredibly infectious disease.
Salmonella poisoning goes from food to person and gone, if any infectious traces are left they are in your poop, and hopefully that has no water bottles involved. You aren't going to get pinkeye from sharing a water bottle either, and you sure aren't going to get a fungal infection on your feet because you shared a water bottle with someone else :P 

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.

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