A Measure of Morbidity Often Used in Infectious Disease Investigations

question 17

Multiple Choice

A measure of morbidity often used in infectious disease investigations is the attack rate. Attack rates are often specific to an exposure. An example of an attack rate is:

• A) The number of cases of cancer recorded at a medical center
• B) The number of people who died of cholera in India in a given year
• C) The number of beef cattle inoculated against mad-cow disease on a farm
• D) The proportion of people becoming ill after eating at a fast-food restaurant

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Definitions:

Streptococcus

A genus of spherical, Gram-positive bacteria that includes many pathogenic species affecting humans and animals.

Influenza Virus

A contagious virus that causes the flu, a respiratory illness characterized by fever, cough, sore throat, runny or stuffy nose, and body aches.

Nicotine

A stimulant and addictive substance found in tobacco products that affects the nervous system.

Post-Traumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a traumatic event, causing lasting stress and anxiety.