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Apr 18, 2024 · The meaning of INFECTIOUS DISEASE is a disease (such as influenza, malaria, meningitis, rabies, or tetanus) caused by the entrance into the body of pathogenic agents or microorganisms (such as bacteria, viruses, protozoans, or fungi) which grow and multiply there.
Photo credit: WHO Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. These diseases can be grouped in three categories: diseases which cause high levels of mortality; diseases which place on populations heavy ...
May 25, 2021 · Infectious diseases are defined as those that are caused by pathogenic microorganisms, including bacteria, fungi, parasites, and viruses. A person can be infected with a...
Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful, but some organisms under certain conditions may cause disease.
Oct 24, 2016 · An infectious disease can be defined as an illness due to a pathogen or its toxic product, which arises through transmission from an infected person, an infected animal, or a contaminated inanimate object to a susceptible host.
Overview of Infectious Disease. By Larry M. Bush, MD, FACP, Charles E. Schmidt College of Medicine, Florida Atlantic University. Reviewed/Revised Aug 2022 | Modified Sep 2022. VIEW PROFESSIONAL VERSION. GET THE QUICK FACTS. Effects of Infection. Microorganisms are tiny living creatures, such as bacteria and viruses.
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
