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- What Is A Viral Infection?
- How Do You Tell If A Disease Is Viral Or Bacterial?
- What Are The Types of Viral Infections?
- Who Do Viral Infections Affect?
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Viral infections are illnesses you get from tiny organisms that use your cells to make more copies of themselves (viruses). Viral infections commonly cause respiratory and digestive illnesses, but viruses can also infect most other parts of your body.
Viruses and bacteria can cause similar symptoms, like fever, cough and rashes. The only way to know what kind of infection you have is to have a healthcare provider assess you. If you have symptoms that last more than a few days or that concern you, see your provider.
You might hear viruses described by what part of your body they infect, how they spread or what symptoms they cause. Some viruses, like herpes viruses and adenoviruses, can cause many different types of illness. Types of viral infections include: 1. Respiratory infections. 2. Digestive system infections. 3. Viral hemorrhagic fevers. 4. Sexually tra...
All of us will get viral infections at some point. But you’re at increased risk of serious illness from certain types of viruses if you: 1. Are under 5 or over 65. 2. Have certain health conditions, like diabetes, asthma, COPDor other chronic lung disease. 3. Have a weakened immune system (from HIV/AIDS, cancer or immunosuppressive medications). 4....
Learn about viral infections, how they affect your body and how to prevent them. Find out the types, symptoms, causes and treatments of common viral illnesses, such as colds, flu, COVID-19, HPV and herpes.
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. Examples are the common cold, gastroenteritis and pneumonia.
TypeFamilyTransmissionDiseasesdroplet contact fecal-oral venereal ...gastroenteritis keratoconjunctivitis ...fecal-oral respiratory droplet contactHand, foot and mouth disease pleurodynia ...vertical transmission bodily fluidsinfectious mononucleosis Cytomegalic ...salivainfectious mononucleosis Burkitt's ...A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. [1] . Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. [2] [3] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity.
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Nov 8, 2023 · Learn about viruses, how they infect cells, and how they can cause diseases. Find out how to prevent, diagnose, and treat viral infections, and explore related issues and resources.
