Microbiology General 7f71fe57 The organism most commonly causing genital filariasis in most pa of Bihar and easteran U.P. is? A Wuchereria bancrofti B Brugia malayi C Onchocerca volvulus D Dirofilaria High-Yield Explanation Ans. is 'a' i.e., Wuchereria bancrofti . W. bancrafti is the most widely distributed human filarial parasite.