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What is lymphatic filariasis?

Lymphatic filariasis is a parasitic disease caused by an infection of microscopic, threadlike worms known as Wuchereria bancrofti and Brugia malayi. The worms enter the lymphatic system (the network of vessels and nodes that maintain the body's fluid balance and help fight infection) and block the passages. In some people, this can cause lymphedema, a massive swelling in an arm, leg, or the genital area. Lymphatic filariasis is also known as elephantiasis.

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What do parasitic infections mean?
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Do parasites have any benefit to humans?
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How Are Parasitic Infections Diagnosed?
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.