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.
Home Â» Human Resources Â» Risk Management Â» Bloodborne Pathogens: How are Bloodborne Pathogens Transmitted? Bloodborne Pathogens: How are Bloodborne Pathogens Transmitted? Bloodborne Pathogens can be transmitted when blood or body fluid from an infected person enters another personâs body via needle-sticks, human bites, cuts, abrasions, or through mucous membranes. Any body fluid with blood is potentially infectious. Also, semen, vaginal secretions and saliva in dental procedures are considered potentially infected body fluids. The Hepatitis B virus can live up to a week on a dried environmental surface. For more information about Hepatitis click here: www.liverfoundation.org