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- Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).
www.britannica.com/science/bacterial-diseaseBacterial disease | Definition, Types, & Mechanisms | Britannica
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What is bacterial disease?
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What is a bacterial infection?
Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).
- Infectious Disease
Infectious disease is a process caused by an agent, often a...
- Infectious Disease
Bacteria are single-celled microorganisms that lack a nuclear membrane, are metabolically active and divide by binary fission. Medically they are a major cause of disease. Superficially, bacteria appear to be relatively simple forms of life; in fact, they are sophisticated and highly adaptable.
- Samuel Baron
- 1996
- 1996
- What Is A Bacterial Infection?
- What’s The Difference Between A Bacterial Infection and Viral Infection?
- What Are The Types of Bacterial Infections?
- Is A Bacterial Infection Serious?
- How Do Bacterial Infections Spread?
- Who Do Bacterial Diseases Affect?
- How Does A Bacterial Infection Affect My body?
Bacterial infections are any illness or condition caused by bacterial growth or poisons (toxins). You can get sick from getting harmful bacteria in your skin, gut (GI tract), lungs, heart, brain, blood or anywhere else in your body. Harmful bacteria from the environment, an infected person or animal, a bug bite or something contaminated (like food,...
Living, single-celled organisms that can reproduce on their own cause bacterial infections. Only a few types of bacteria cause illness in people. An organism that’s not made up of cells causes viral infections. Viruses always need to infect humans or other living things to create more copies of itself. Antibiotics can treat most bacterial infection...
Bacteria can cause many types of infections, depending on how you’re exposed and what part of your body it infects. Some common types of bacterial infections include: 1. Food poisoning (gastroenteritis). 2. Some skin,ear or sinus infections. 3. Some sexually transmitted infections (STIs). 4. Bacterial pneumonia. 5. Most urinary tract infections (UT...
There are many bacterial infections that aren’t usually serious or can be treated easily with antibiotics. Impetigo and boils are examples. However, any bacterial infection that gets deep into your body, like in your blood, heart, lungs or brain, can be life-threatening.
Bacterial infections can spread through droplets or dust in the air, direct or indirect contact, a vector (like a tick or mosquito) or contaminated food or water (vehicular).
Anyone can get a bacterial disease, and most of us will at some point in our lives. You’re at higher risk for getting an infection if you have: 1. Diabetes. 2. A weakened immune system (due to HIV/AIDS, cancer, cancer treatments or immunosuppressive medications). 3. An open wound. 4. Had surgery recently.
Bacteria can hurt your body either when they reproduce or by releasing poisons (toxins) that damage your cells. Infections that only affect the surface of your skin or mucous membranes (like your throat or intestines) aren’t usually serious, but sometimes, bacteria can spread in your body and cause life-threatening illnesses. If bacteria gets into ...
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.
- Madeline Drexler
- 2010
- 2010
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.
The agents that cause disease fall into five groups: viruses, bacteria, fungi, protozoa, and helminths (worms). Protozoa and worms are usually grouped together as parasites, and are the subject of the discipline of parasitology, whereas viruses, bacteria, and fungi are the subject of microbiology.
Feb 18, 2022 · 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.
