Avian influenza, commonly known as "avian flu" or "bird flu," is caused by influenza type A viruses that normally only occur in birds. Avian flu is very contagious among birds and can make some domesticated birds, such as chickens, ducks and turkeys, very sick and kill them. These viruses usually do not infect humans, but in recent years several cases of avian flu infection in humans have been reported. There are several subtypes of avian influenza A viruses. The subtype that has become of major concern is avian influenza A (pN1) virus which has caused the deaths of millions of birds and also poses a health risk to humans. Baggage Handling eTool: Airline employees, including ticket agents and ramp agents, handle passenger baggage at several points throughout the baggage handling process. The body postures, repetitions, and forces required to lift, lower, push, pull, or carry passenger baggage can create potentially serious ergonomic hazards for the agents. This eTool was developed as part of the OSHA-Airlines Industry and National Safety Council's International Air Transport Section Alliance. This eTool describes many of the common hazards associated with the baggage handling process as well as providing possible solutions that are ranked according to their feasibility to the operations. See Ergonomics for general solutions. See more from topic source: https://www.osha.gov/html/a-z-index.html