Epidemiology Deck (Practical)

Question 1

What is the difference between a common source epidemic and a propagated epidemic?

Answer 1

Common source - everyone’s exposed to the pathogen, resulting in a sudden increase

Propagated - pathogen transmits from one host to the next, resulting in a gradual increase

Question 2

The first case in a propagated pandemic is called the…

Answer 2

Index case

Question 2

A set of 6 intertwined links that allow for communicable diseases to spread

Answer 2

What is the chain of infection?

Question 2

What are the 3 points of the epidemiology triangle?

Answer 2

1) Host
2) Pathogen
3) Environment

Question 3

What 3 questions does mathematical modeling of an epidemic answer?

Answer 3

1) How severe will the epidemic be?
2) How many people will be affected?
3) What is the most efficient control or treatment strategy: quarantine or vaccination?

Question 4

What are the 3 compartments of the SIR model that the population is divided into?

Answer 4

1) Susceptible
2) Infected
3) Removed

Question 5

The ratio of contact rate and recovery rate that is a fundamental quantity for every disease

Answer 5

What is basic reproduction number (RO)?

Question 6

What is the difference between nosocomial and healthcare-associated infections (HAI)?

Answer 6

Nosocomial - occur either before or after discharge, especially if the infection wasn’t present at the time of admission

Healthcare-associated - acquired specifically from hospitals and other healthcare facilities and result from a lack of handwashing, hygiene, etc. (essentially caused by workers)