2/24/99

Public Health

 

Flukes—Trematodes

Handout PH23

Opisthorchis—Chinese liver fluke

·         Live in liver, bile duct

 

Fasciola Hepatica

·         Sheep liver fluke

 

Fasciolopsis buski

·         Largest fluke

 

Heterophyes heterophes

·         Smallest fluke

 

 

Paraoniums westermani

·         Lung fluke

·         Similar to Schistosoma

·         Can be transmitted 2 ways

1.        direct penetration of skin--cercaria

2.        ingestion of improperly cooked crabmeat

·         chronic cough, blood streaked sputum

 

Cestodes—Tape Worms

·         handout PH23

·         ribbon shaped

·         can be as long as 10m

·         like to survive in human system

·         not a single animal

·         colony of animals

·         scolex—similar to the head (tip portion), has special gripping things and suckers

·         broken up into segments—proglotids

·         Strobila—chain of proglotids

·         Teania saginata—beef tape worm; eggs are released in human feces; can contaminate feet of animals

·         Taeniarhynchys—more serious than pork tape worm

·         T. solium—pork tape worm

·         Abdominal pain, local sensitivity, lack of appetite, stunted growth, no vigor, lethargy,

·         Has a great ability to reproduce

·         Echinococcus granulosis

·         Hydatid disease causing tapeworm

·         Transmitted by contaminated food

·         Carried by dogs and humans

·         Problem is can form cyst that can be large and formed almost anywhere in human body (bone, brain, heart, kidney, liver, lungs, spleen

·         Depending upon location the damage can be great

·         Bladder cyst—thick leathery outer covering, filled w/water and other fluids

·         Sheep tape worm

·         Dibothriocephalus latus—Diphyilobothrium lattus

·         Fish tape worm

·         Found in intestine

·         Not as serious as hydatid disease

END OF WORMS

 

Agencies related to health care

·         Every country has a department of health

·         US

·         Secretary level position—Secretary of Health

·         Heads the department Health and Human Service

·         Human Service—Social Security

·         Health—USPHS—undersecretary

·         CDC—Center for Disease Control

·         FDA—Food and Drug Administration

·         HRA—Health Resources Administration

·         HSA—Health Services Administration

·         NIH—National Institute of Health

·         ADAMHA—Alcohol Drug Abuse and Mental Health Administration

·         USDA—Agriculture—produce and insecticides

·         EPA—Environmental Protection Agency

·         Navy

·         Air Force

·         Army

·         Marines

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