Questions: What does the term epidemic mean? a. the specialist who studies outbreaks of disease within a population group b. a sudden and widespread outbreak of a disease within a specific population group or area c. an outbreak of a disease occurring over a large geographic area d. the ongoing presence of a disease within a population, group, or area

The answer is the second one (b): a sudden and widespread outbreak of a disease within a specific population group or area.

Explanation for each option:

a. Incorrect. This option describes an epidemiologist, who is a specialist that studies outbreaks of disease within a population group.

b. Correct. This option accurately defines an epidemic as a sudden and widespread outbreak of a disease within a specific population group or area.

c. Incorrect. This option describes a pandemic, which is an outbreak of a disease occurring over a large geographic area, often worldwide.

d. Incorrect. This option describes an endemic, which refers to the ongoing presence of a disease within a population, group, or area.

In summary, an epidemic refers to a sudden and widespread outbreak of a disease within a specific population group or area.