Lymphatic filarisis & japanese encephalitis

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Lymphatic filariasis- Lymphatic filariasis is a parasitic disease caused by three

Lymphatic filariasis-
Lymphatic filariasis is a parasitic disease caused by three species

of microscopic, thread-like worms. The adult worms only live in the human lymph system. The lymph system maintains the body’s fluid balance and fights infections.
Lymphatic filariasis affects over 120 million people in 72 countries throughout the tropics and sub-tropics of Asia, Africa, the Western Pacific, and parts of the Caribbean and South America. You cannot get infected with the worms in the United States.
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Geographic distribution

Geographic distribution

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Lymphatic filariasis occurs throughout sub-Saharan Africa and in much of south-east

Lymphatic filariasis occurs throughout sub-Saharan Africa and in much of south-east

Asia, in the Pacific islands and in smaller foci in South America.

Life Cycle

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Symptoms- Most cases are symptomless. Rarely, long-term damage to the lymph

Symptoms-
Most cases are symptomless. Rarely, long-term damage to the lymph system

causes swelling in the legs, arms, and genitalia. It also increases the risk of frequent bacterial infections that harden and thicken the skin (elephantiasis).
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Diagnosis- The standard method for diagnosing active infection is the identification

Diagnosis-
The standard method for diagnosing active infection is the identification

of microfilariae in a blood smear by microscopic examination. The microfilariae that cause lymphatic filariasis circulate in the blood at night (called nocturnal periodicity).
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Prevention- Avoiding mosquito bites is the best form of prevention. Sleep

Prevention-
Avoiding mosquito bites is the best form of prevention.
Sleep under

a mosquito net.
Wear long sleeves and trousers.
Use mosquito repellent on exposed skin between dusk and dawn.
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JAPANESE ENCEPHELITIS An infection found in Asia and the west Pacific

JAPANESE ENCEPHELITIS
An infection found in Asia and the west Pacific that

can cause brain swelling.
Japanese encephalitis is a virus spread by the bite of infected mosquitoes. It's more common in rural and agricultural areas.
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Life Cycle-

Life Cycle-

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Symptoms-

Symptoms-

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Diagnosis- Laboratory diagnosis of JE is generally accomplished by testing of

Diagnosis-
Laboratory diagnosis of JE is generally accomplished by testing of serum

or cerebrospinal fluid (CSF) to detect virus-specific IgM antibodies. JE virus IgM antibodies are usually detectable 3 to 8 days after onset of illness and persist for 30 to 90 days, but longer persistence has been documented.
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Prevention and control The most effective way to prevent infection from

Prevention and control
The most effective way to prevent infection from Japanese

Encephalitis virus is to prevent mosquito bites. Mosquitoes bite during the day and night. Use insect repellent, wear long-sleeved shirts and pants, treat clothing and gear, and get vaccinated before traveling, if vaccination is recommended for you.
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Treatment No specific treatments have been found to benefit patients with

Treatment
No specific treatments have been found to benefit patients with JE,

but hospitalization for supportive care and close observation is generally required.
Treatment is symptomatic. Rest, fluids, and use of pain relievers and medication to reduce fever may relieve some symptoms.
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