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Transcript
Chapter 26: Ready for Review • Government agencies such as the Occupational Safety and Health Administration (OSHA), the Centers for Disease Control and Prevention (CDC), and state and county public health departments bear the responsibility for protection of the public health, prevention of epidemics, and management of outbreaks. • Clean and disinfect the ambulance and your equipment to protect patients from infection. • A patient suspected of having an infectious disease is assessed like any other medical patient. • Infection involves a typical chain of events through which a communicable disease spreads. • Communicable diseases can be transmitted from one person to another under certain conditions. • The risk of infection depends on the type and dose of the organism, its virulence, its mode of entry, and the host’s resistance. • The human body offers several defenses to protect against infection, such as skin, the mucous membranes, and the immune system. • Protection against and reduction of the occurrence of communicable diseases involve the designated infection control officer (DICO), the public health department, standard precautions, immunizations and vaccinations, personal protective equipment (PPE), postexposure medical follow-up, and an exposure control plan. • Sexually transmitted diseases (STDs) are usually acquired by sexual contact and are caused by a wide range of organisms. • Enteric diseases are infectious diseases that affect the gastrointestinal tract. The organisms that cause enteric infections include rotaviruses, parasites, and bacteria. • Bloodborne diseases include viral hepatitis, HIV, and AIDS. • A vector is a living organism, such as an insect or rodent, that carries a disease-causing human pathogen. This pathogen does not harm the organism itself, but it can be transmitted to humans by means of a bite, inhalation of contaminated animal feces, or other means. • The overuse and misuse of antibiotics has made some pathogens resistant to the antibiotic drugs commonly prescribed to eradicate them. • Serious communicable childhood diseases that had become uncommon in recent decades are making a resurgence because some parents refuse to have their children vaccinated. Research showing a link between vaccines and the development of autism in children has been discredited. • New and emerging diseases of concern include severe acute respiratory syndrome (SARS) and the avian flu.