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Which of the following statements accurately describe an 'epidemic'?

  1. An epidemic signifies an unusual increase in the number of cases of an infectious disease that is already present in a specific region or population.
  2. It can also describe the emergence of a significant number of cases of an infectious disease in an area or population typically free from that particular illness.
  3. An epidemic refers exclusively to diseases that have spread globally across multiple continents.
  4. It indicates a disease that is consistently present in a specific population or region at predictable rates.

    Ai മാത്രം

    Bii

    Ci, ii

    Dഇവയൊന്നുമല്ല

    Answer:

    C. i, ii

    Read Explanation:

    • An epidemic is characterized by a rapid and significant increase in the incidence of a disease beyond what is normally expected in a given population or geographic area. It's distinct from an 'endemic,' where a disease is regularly found among particular people or in a certain area, and a 'pandemic,' which is a global outbreak of a new disease.


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