| bancroftian filariasis in bagdogra town, district darjeeling (west bengal). | filaria endemicity is probably gradually increasing over the years in bagdogra town, district darjeeling (west bengal). of 1511 night blood smears examined, 35 were found positive for wuchereria bancrofti (mf rate 2.32%). the microfilaria (mf) rates for males and females were 2.84% and 1.79 % respectively. the age of these positives ranged from 5-45 years. the mf rate was highest (4.46%) in the age group of 20-29 years. all mf carriers were local residents of bagdogra and wuchereria bancrofti wa ... | 2002 | 14768828 |