Dracunculus Review In 5 sentences or less, give a summary of the

disease, dracunculiasis.

Ascaris WormsCauses Ascariasis

The worm… Nematode (round worm) Soil Transmitted Helminthes Male and Female worms

Females lay 200,000 eggs per day during life (1-2 yrs)

Facts Most common HUMAN worm

infection Largest round worm to

parasitize human body

25% worlds population currently infected

~1.5 billion people are infected

(4 million in US)

Life Cycle

Fecal- Oral Route Infected person poops -> eggs in

feces -> person eats contaminated food/water -> eggs into digestive system -> hatch into larvae form -> burrow through intestine wall -> blood stream -> LUNGS -> coughed up and swallowed-> 2nd time in digestive tract (now mature) -> adults fertilize and females lay more eggs

Where is it found? Warm and Humid

climates Poverty Poor hygiene Rare in the US (poor,

Southeastern US)

SymptomsMild infection:

little/no symptoms, abdominal discomfort

Severe infection: intestinal blockage, stunted

growth, death

2 YO Female, 1986, 796 worms, 550g

Diagnosis Use microscope to ID eggs

in stool sample

Worms passed in stool

Worms coughed up

X-ray

Treatment -azole medication

Can cause: Lack of ATP production in worms Blocking of glucose uptake in worms Worms to migrate to esophagus

Surgery

neglected tropical diseases mass drug administration (deworming)

Prevention EDUCATION!!

W.H.O. POSTERS

Think we are safe? Read article… notice DATE and LOCATION.