influenza

(noun)

An acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics.

Related Terms

  • coryza
  • RNA virus

Examples of influenza in the following topics:

  • Coryza and Influenza

    • Although it is often confused with other influenza-like illnesses, especially the common cold, influenza is a more severe disease than the common cold.
    • The general symptoms of influenza are summarized in .
    • Typically, this vaccine includes material from two influenza A virus subtypes and one influenza B virus strain.
    • The viral particles of all influenza viruses are similar in composition.
    • Symptoms of influenza with fever and cough the most common symptoms.
  • Intramuscular Injections

    • In addition, some vaccines are administered intramuscularly: Gardasil, Hepatitis A vaccine, Rabies vaccine, and Influenza vaccines based on inactivated viruses are commonly administered intramuscularly (although there is active research being conducted as to the best route of administration).
  • Sinusitis

    • If the infection is of bacterial origin, the most common three causative agents are Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis.
  • Asbestos-Related Diseases

    • Immunization against pneumococcal pneumonia and annual influenza vaccination is administered due to increased sensitivity to the diseases.
  • Stress and Immunity

    • In one study, individuals caring for spouses with dementia, representing the stress group, saw a significant decrease in immune response to an influenza-virus vaccine compared to a non-stressed control group.
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