Social & Preventive Medicine The organism most commonly causing genital filariasis in most parts of Bihar and Eastern U.P. is A Brugia malayi B Wuchereria bancrofti C Brugia malayi D Dirofilaria 💡 Explanation The organism most commonly causing genital filariasis in most parts of Bihar and Eastern U.P. is ✓ Correct Answer: B. Wuchereria bancrofti