Neza-Chalco-Itza: One of Mexico City's many barrios, Neza-Chalco-Itza is the largest slum in the world with roughly four million people. Slums in Mexico city began growing in the early 1900s when the railroad brought new industry -- as well as new industrial zones -- to the city.
Bloodborne pathogens are infectious microorganisms in human blood that can cause disease in humans. These pathogens include, but are not limited to, hepatitis B (HBV), hepatitis C (HCV) and human immunodeficiency virus (HIV). Needlesticks and other sharps-related injuries may expose workers to bloodborne pathogens.
Bloodborne pathogens are microorganisms that can cause disease when transmitted from an infected individual to another individual through blood and certain body fluids. Bloodborne pathogens are capable of causing serious illness and death.epatitis C is a liver disease caused by the hepatitis C virus (HCV). It is the most common chronic bloodborne infection in the United States and is primarily transmitted through large or repeated direct percutaneous exposures to blood.