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Infectious diseases are illnesses caused by harmful agents (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and parasites. Infectious diseases usually spread from person to person, through contaminated food or water and through bug bites.
Feb 18, 2022 · Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS. Fungi.
Sep 13, 2024 · Infectious disease is a process caused by an agent, often a microorganism, that impairs a person’s health. Infectious diseases typically are caused by bacteria, viruses, fungi, or parasites.
Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi. These diseases can spread from the environment or from one person to another resulting in illness in our communities.
May 31, 2024 · 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. Hometown Health Blog. What you should know about RSV and the RSV vaccine.
An infection is when microorganisms (germs) invade part of your body and make you sick. What are microorganisms? Microoganisms are tiny living creatures that are so small they can't be seen without a microscope. There are many different kinds of microorganisms, including: Bacteria, such as E. coli.
Learn about causes and treatment. Diseases caused by the introduction of infectious agents such as bacteria, viruses, parasites, or fungi into the body.
