The prevalence of filaria has declined in East Godavari district as health authorities have intensified a drive to contain it. Its prevalence was recorded at 2.8 per cent in 1995 and it came down to 0.27 in 2006. Health authorities collected 19,640 blood smears from January 1 to April 30 in 2008 and found 26 micro-filaria positive cases coming up to 0.13 per cent and 36 filaria diseases which come up to 0.18 per cent. More filaria cases were noticed in Amalapuram and Rama-chandrapuram municipalities and some cases from Biccavole and other areas in the district.