An epidemiological research study about influenza that obtains data regarding the transmission and development of the illness based on patient medical histories would be considered what type of study?
A) Cross-sectional
B) Cohort comparison
C) Retrospective
D) Longitudinal

Question

Quizplus · Accepted Answer

A retrospective study looks back at events that have already occurred, such as analyzing patient medical histories to study the transmission and development of influenza.

An Epidemiological Research Study About Influenza That Obtains Data Regarding