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Giardiasis aka Beaver Fever

Giardiasis aka Beaver Fever. By: Andrew Marmo. Sources. The MERK Manual Google Images http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001333. Cause. Giardiasis is an infection of the small intestine caused by Giardia lamblia , a single-celled parasite. Giardia lamblia. Transmission.

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Giardiasis aka Beaver Fever

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  1. GiardiasisakaBeaver Fever By: Andrew Marmo

  2. Sources • The MERK Manual • Google Images • http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001333

  3. Cause Giardiasis is an infection of the small intestine caused by Giardia lamblia, a single-celled parasite.

  4. Giardia lamblia

  5. Transmission • Giardiasis is caused by ingestion of infective cysts. Usually contracted by drinking water containing cysts. • 3 modes • host-to-host • water-borne • and venereal

  6. Vector/Reservoirs Giardia has no vector. It can survive in cold water without a host for several months. It is found in humans, and a wide variety of other aquatic and semi-aquatic mammals such as beavers, muskrats, and other small rodents. It is also found in some varieties of birds.

  7. Cyst and Trophozoite

  8. Symptoms • Gastrointestinal symptoms such as abdominal cramps, watery diarrhea, vomiting, and fever which may last for 3–4 days. • Other symptoms include loss of appetite, malaise, and fatigue.

  9. Severity • Giardiasis is usually self-limiting, although the infection can be prolonged in hosts who have a weak immune system, or who have decreased gastric acid secretion. • It can also be deadly to hosts with compromised immune systems like the elderly or AIDS patients.

  10. Prevention • Boil stream or lake water if your in the woods. You never know what’s up stream. • ALWAYS WASH YOUR HANDS!

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