WebDefinition of Terms. Sterilization describes a process that destroys or eliminates all forms of microbial life and is carried out in health-care facilities by physical or chemical methods. Steam under pressure, dry heat, EtO gas, hydrogen peroxide gas plasma, and liquid chemicals are the principal sterilizing agents used in health-care facilities. WebAug 16, 2024 · Opportunistic infections (OIs) are infections that occur more often or are more severe in people with weakened immune systems than in people with healthy immune systems. People with weakened immune systems include people living with HIV. OIs are caused by a variety of germs (viruses, bacteria, fungi, and parasites). OI-causing germs …
Infection - Wikipedia
WebMar 29, 2024 · Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body. An … WebMar 1, 2024 · virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. The name is from a Latin word meaning “slimy liquid” or “poison.” The earliest … nbc upcoming shows 2022
Antibiotic Definition - Discover Antibiotic and its Significance
WebOct 13, 2024 · Katy teaches biology at the college level and did her Ph.D. work on infectious diseases and immunology. ... Learn about the definition of opportunistic infections, the causes, and examples of ... WebApr 4, 2024 · disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state. Thus, the normal condition of an organism must be understood in … WebAn infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An … marriage matrimony sites