4.  Adult worms are long and slender with a smooth cuticle and bluntly rounded ends. Their head is slightly swollen and bears two circles of well-defined papillae. Males are about 4cm long and 100µm wide. Females are 6 to 10cm long and 300µm wide. Microfilaria of W. bancrofti

5.  Asymptomatic phase  Inflammatory (acute) phase › Fever, chills, skin infections, painful lymph nodes, tender skin  Obstructive (chronic) phase › Lymph varices, lymph scrotum, hydrocele, chyluria, elephantiasis

7.  Diagnosis: › Blood smears, PCR, ultrasonography, X-rays  Treatment: › Cleansing the skin, surgery, drugs (DEC, ivermecting, albendazole)

8.  Insect repellents, mosquito nets, education  Sri Lanka has eradicated this disease as of April, 2011

9.  Morphology: › Males are 13.5-20.5mm long and 70-80µm wide. › Females are 80-100mm long and 240-300µm wide.  Life cycle  Pathology  Diagnosis/Treatment  Control › Mosquito eradication and herbicides