Introduction to Epidemiology

The first disease in the population is the...

• primary case

• index case

• secondary case

• suspect case

The first disease case brought to the attention of an epidemiologist is called the...

• suspect case

• primary case

• index case

• secondary case

True or False. The index case is always the primary case.

• True

• False

The suspect case is an individual who has all of the signs and symptoms of a disease yet has not been _____________ as having the disease.

Each case must be described in exactly the same way each time in order to standardize investigations. This standard set of criteria is called the _______________________.

An occurrence of cases clearly in excess of normal expectancy in a community or region is called a(n)

• epidemic

• pandemic

• endemic

An ongoing, usual, or constant presence of a disease in a community or region is called a(n)

• epidemic

• pandemic

• endemic

An epidemic affecting or attacking the population of an extensive region, country, or continent is called a(n)

• epidemic

• pandemic

• endemic

Name an infectious disease.

Name the two primary types of infectious disease epidemics.