Download or read book The Virility Factor written by Robert Merle and published by McGraw-Hill Companies. This book was released on 1977 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: A sex-linked disease kills potent men and engenders a world in which women are the masters and movers. The time: the 1970's. The place: the U.S.A virulent epidemic, Encephalitis 16, menaces the country.