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  2. Systemic disease - Wikipedia

    en.wikipedia.org/wiki/Systemic_disease

    A systemic disease is one that affects a number of organs and tissues, or affects the body as a whole. [1] It differs from a localized disease , which is a disease affecting only part of the body (e.g., a mouth ulcer ).

  3. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    Comparison of viral and bacterial infection Characteristic Viral infection Bacterial infection; Typical symptoms In general, viral infections are systemic. This means they involve many different parts of the body or more than one body system at the same time; i.e. a runny nose, sinus congestion, cough, body aches etc.

  4. Viral disease - Wikipedia

    en.wikipedia.org/wiki/Viral_disease

    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. [ 1 ] Examples are the common cold , gastroenteritis and pneumonia .

  5. Viral pneumonia - Wikipedia

    en.wikipedia.org/wiki/Viral_pneumonia

    Viral pneumonia is a pneumonia caused by a virus.Pneumonia is an infection that causes inflammation in one or both of the lungs. The pulmonary alveoli fill with fluid or pus making it difficult to breathe. [1]

  6. Sepsis - Wikipedia

    en.wikipedia.org/wiki/Sepsis

    Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs. [4] [7]This initial stage of sepsis is followed by suppression of the immune system. [8]

  7. Common cold - Wikipedia

    en.wikipedia.org/wiki/Common_cold

    The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. [6] [8] Signs and symptoms may appear in as little as two days after exposure to the virus. [6] These may include coughing, sore throat, runny nose, sneezing, headache ...

  8. Could your cough be walking pneumonia? Here are the symptoms ...

    www.aol.com/finance/could-cough-walking...

    Here are the symptoms of the spiking bacterial illness. Lindsey Leake. Updated November 20, 2024 at 9:55 AM. ... Pneumonia, which can be bacterial, viral, fungal, or parasitic, comes in many forms

  9. Influenza - Wikipedia

    en.wikipedia.org/wiki/Influenza

    Influenza, commonly known as the flu, is an infectious disease caused by influenza viruses.Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.