Answer: Zoonosis
Explanation: Rabies, the plague, and West Nile virus are transmitted through a bite from an animal that is infected. Not sure if anthrax is transmitted through a bite as I just know you just need to come in contact with an animal who has it.
West Nile comes from mosquito bites, rabies from any rodent, canine, mammal, ECT, and the plague originally came from rats who had the black plague.
I hope I helped bud.
The prevalence of HIV infections remained the same during the year of 1997
No I don't think so .. But I could be wrong hope this helps !:-)
The plural of Diagnosis is Diagnoses. Let me know if this helped!