Health-care waste contains microorganisms that can infect patients, health workers, and the public. It may also spread drug-resistant microorganisms into the environment. Improper handling of biomedical waste can lead to sharps injuries, toxic exposure, burns, and infections like HIV, hepatitis B, and hepatitis C through needle sticks. An estimated 16 billion injections are given worldwide each year, and unsafe injections still cause over 1.7 million hepatitis B infections and hundreds of thousands of HIV and hepatitis C infections annually despite progress made.