Filariasis in Ghatampur Tahsil of Kanpur Nagar District: indications of high endemicity locus.

A study in the 26 villages surveyed, the mf rate was observed to vary from 6.4% to 17.8%, the disease rate ranged from 1.9% to 10% and total infection rate from 8.2% to 26.4%. The median microfilaraemia density among positives was 10 and 90% of persons had density below 60 and in 10% above this level. The mf rate among those who never used bednets while sleeping was found to be 11.8%, 15.7% higher than 10.2% among those who ever used bednets (8.7% in regular users and 10.7% among irregular users) to protect from mosquitoes bites (p < 0.05). The lymphatic disease was found to be 3.8%; 3.7% in males and 4.1% in females. Of the males, 16.3% had acute disease, 51.8%) hydroceles of varying grades and 32% edema of different grades including elephantiasis. Of the females with lymphatic disease, 25.6% acute disease, 62.8% edema including elephantiasis and 11.6% had mastitis. The study indicates that area is endemic for filariasis and needs control programmes.