| A | B |
|---|
| Hand hygiene | most effective means to prevent the spread of infection |
| Healthcare-Associated Infections (HAIs) | infections contracted in health care settings |
| Infectious Disease | invasion and multiplication of microorganisms in a host |
| Multi-drug resistant bacteria | organisms that cause infections that are increasingly difficult to treat |
| Nosocomial infections | same as Hospital-acquired infection |
| Opportunistic organisms | Typically not pathogenic; invades tissues when body’s immune system is suppressed. result in disease in people with suppressed immune |
| Parasites | multicellular organisms that live on other organisms without contributing anything to the host |
| Pathogens | microorganisms that are capable of harming people |
| Septicemia | transport of an infection or the products of infection through the body by blood |
| Vehicles of transmission | blood, food, water and objects |
| More: Vehicles of transmission | Vectors: non-human carriers |
| Virulence | vigor with which an organism can grow and multiply |
| Virus | reproduce inside living cells and cause various diseases |
