Guinea worm disease
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Guinea Worm Disease. By: Daniel Coward. Guinea Worm Disease. It is a preventable waterborne disease caused by a parasite. Dracunculus medinensis. Also known as the “Guinea worm”. Dracunculus medinensis. Also known as the “Guinea worm” The largest tissue affecting parasite in humans.

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Guinea Worm Disease

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Guinea worm disease

Guinea Worm Disease

By: Daniel Coward


Guinea worm disease1

Guinea Worm Disease

  • It is a preventable waterborne disease caused by a parasite


Dracunculus medinensis

Dracunculus medinensis

  • Also known as the “Guinea worm”


Dracunculus medinensis1

Dracunculus medinensis

  • Also known as the “Guinea worm”

  • The largest tissue affecting parasite in humans


Dracunculus medinensis2

Dracunculus medinensis

  • Also known as the “Guinea worm”

  • The largest tissue affecting parasite in humans

  • Adult female carries about 300 embryos


Etiology

Etiology

  • The disease is contracted when an individual drinks water that is contaminated with the parasite.


Pathogenesis

Pathogenesis


Pathogenesis1

Pathogenesis

Foot blister induced by the female guinea worm

Guinea worm emerging


Treatment

Treatment

  • There is NO DRUG and no VACCINE to prevent infection


Treatment1

Treatment

  • There is NO DRUG and no VACCINE for guinea worm disease to prevent infection

  • After the worm emerges, it can be pulled out very slowly


Treatment2

Treatment

  • Many infected people get the worm out by twirling a stick


Risk groups

Risk Groups

  • Occurs almost exclusively in isolated rural areas.


Risk groups1

Risk Groups

  • Occurs almost exclusively in isolated rural areas.

  • Occurs only in 5 countries in sub-Saharan Africa: Sudan, Ghana, Nigeria, Niger, and Mali.


Risk groups2

Risk Groups

  • In 2007, only 9,585 cases of GWD were reported. Most of those cases were from Sudan (61%) and Ghana (35%).


Prevelance incidence

Prevelance/Incidence

  • The disease occurs at two different times of the year


Prevelance incidence1

Prevelance/Incidence

  • The disease occurs at two different times of the year

  • Near the Sahara the transmission occurs during the rainy season


Prevelance incidence2

Prevelance/Incidence

  • The disease occurs at two different times of the year

  • Near the Sahara the transmission occurs during the rainy season

  • In the Savanna the transmission occurs during the dry season


Why this matters

Why this matters?

  • The disease has a limited geographic distribution

  • It is seasonal in nature


Guinea worm disease

So?


Guinea worm disease

So?

  • It is easy to target and eradicate it from endemic areas


Socioeconomic effects

Socioeconomic Effects

  • Estimated that infected people lose 100 days of work and children miss 25% of the school year


Prevention

Prevention

  • Guinea worm disease is a vulnerable disease because its transmission cycle relies on humans


Prevention1

Prevention

  • Guinea worm disease is a vulnerable disease because its transmission cycle relies on humans

  • It is possible to permanently eliminate the disease with the use of prevention techniques


Prevention2

Prevention

  • Filter water!


Prevention3

Prevention

  • Educate!


Prevention4

Prevention

  • Boil Water!


Prevention5

Prevention

  • Only drink water from underground sources


Eradication

Eradication

  • Carter Center leads the way


Eradication1

Eradication

  • Others Follow!


Eradication2

Eradication

  • Educate


Eradication3

Eradication

  • Educate

  • Treatment


Eradication4

Eradication

  • Educate

  • Treatment

  • Larvicides


Eradication5

Eradication

  • Educate

  • Treatment

  • Larvicides

  • Pond Caretakers


Eradication results

Eradication Results

Great!!!


Eradication results1

Eradication Results

Great!!!


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