Lymphatic filariasis

Lymphatic filariasis is caused by Banceria, Malay and Timor filariasis. Its clinical features are mainly lymphangiitis and lymphadenitis in the acute phase, and lymphatic obstruction in the chronic phase and a series of symptoms. There are also those who have no obvious symptoms and only have microfilariae in their blood, which is called ldquo; filariasis infection rdquo ;. The microfilaria of these types of filamentous worms all have stricter characteristics of appearing in the peripheral blood flow at night. Filariasis is endemic in 864 counties and cities (excluding Taiwan Province) in 16 provinces (autonomous regions and municipalities). According to the survey statistics before the prevention and treatment, there were 30.994 million patients of filamentous worms in the country, ranking first in the world at that time. Many patients had symptoms and signs such as elephantiasis, hydrocele, and chyluria. Great efforts have been made to prevent and control the disease. As of 1994, 864 counties and cities have reached the standards for the basic elimination of filariasis, which has effectively controlled the spread of filariasis.

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