WEF has made access free to “Biological Hazards at Wastewater Treatment Facilities,” via Access Water. This book chapter is written by water professionals for water professionals to help protect them against workplace exposure to pathogens, including viruses. This chapter is part of the book, Safety, Health, and Security in Wastewater Systems, 6th Edition (Manual of Practice No. 1). (WEF also has discounted the price of the 482-page, hardcover book by 50%.)