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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. Some infectious diseases are minor and some are very serious.
my.clevelandclinic.org/health/diseases/17724-infectious-diseasesInfectious Disease: Types, Causes & Treatments - Cleveland Clinic
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Feb 18, 2022 · Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn't infected.
Infectious diseases are illnesses caused by harmful organisms (pathogens) that get into your body from the outside. Pathogens that cause infectious diseases are viruses, bacteria, fungi, parasites and, rarely, prions. You can get infectious diseases from other people, bug bites and contaminated food, water or soil. Advertisement.
Sep 13, 2024 · infectious disease, in medicine, a process caused by an agent, often a type of microorganism, that impairs a person’s health. In many cases, infectious disease can be spread from person to person, either directly (e.g., via skin contact) or indirectly (e.g., via contaminated food or water).
Learn about causes and treatment. Diseases caused by the introduction of infectious agents such as bacteria, viruses, parasites, or fungi into the body.
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.
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.
What type of germ caused your infection. Whether just one part or a lot of your body is affected. Infection in just one part of your body usually causes pain and local symptoms. For example, a lung infection (pneumonia) can cause chest pain and cough. A brain infection causes headache.
