(July 2014). Vancouver Island Health Authority (VIHA) is the publicly funded health care provider in the westernmost area in the Canadian province of British Columbia.The region includes the communities of:rom Wikipedia, the free encyclopedia. Vancouver Island Health Authority (VIHA) is the publicly funded health care provider in the westernmost area in the Canadian province of British Columbia.
What kind of diseases do these parasites introduce? Tapeworms are the main threat that fleas bring. Ticks carry Lyme Disease, Rocky Mountain Spotted Fever, Babesia, Ehrlichia and several other infectious diseases. In addition, both of these parasites can lead to anemia, especially in very young or very old animals.
Plague Disease Causes. The bacteria (Yersinia pestis) that cause plague can be transmitted from a host such as a rat to a human through the bite of an animal or insect (such as a flea).These bites transport the disease. Types of plague: 2  Bubonic plague: The bacteria that cause plague can thrive and grow in the flea's esophagus. 3  This crowding of bacterial growth prevents food from entering the flea's stomach. 4  To overcome starvation, the flea begins a blood-sucking rampage.