Leslie A. Tengelsen PhD DVM


Tapeworm

A tapeworm is a parasite that attaches to the walls of the intestine after it enters a person’s digestive tract. A person may become infected with tapeworms after eating raw or undercooked meat or fish that contains the worms. A tapeworm infection may not cause any symptoms. If symptoms are present, they may include…

Anthrax

Anthrax is a potentially fatal disease of cattle, horses, sheep, and goats in underdeveloped agricultural regions of South and Central America, southern and eastern Europe, Asia, Africa, the Middle East, and the Caribbean as well as in wild livestock in the United States. Anthrax is caused by the bacterium Bacillus…

Hantavirus Pulmonary Syndrome (HPS)

What is hantavirus pulmonary syndrome? Hantavirus pulmonary syndrome (HPS) is a lung infection caused by viruses found in the saliva, urine, and droppings of some rodents. The illness is rare but can be deadly. What causes HPS? Most cases of HPS in the U.S. are caused by one type of hantavirus found in the deer mouse…

West Nile Virus

What is West Nile virus? West Nile virus is a type of virus that is spread by mosquitoes. The infection it causes may be so mild that people don’t even know they have it. But in rare cases, West Nile leads to severe illness that affects the brain or spinal cord. People older than 50 are at the highest risk for serious…

West Nile Virus

West Nile virus is a type of virus spread by mosquitoes. Most people who get infected have no symptoms, and they recover fully. But in rare cases, people with West Nile have a severe infection that affects the brain or spinal cord. They may have permanent problems such as seizures, memory loss, and brain damage. There…