LT5 Vocabulary

What does the X-axis represent on an epidemic curve?

• Number of new cases

• Time period when new cases happened

• Source of infection

• Severity of symptoms

What is the Y-axis on an epidemic curve used for?

• Time period when new cases happened

• Location of the outbreak

• Number of new disease cases

• Symptoms of the disease

What does it mean to flatten the curve during an outbreak?

• Stop all disease transmission completely

• Lower the number of new cases so hospitals can handle them

• Speed up the spread of the disease

• Increase the number of cases to build immunity

What is a Point Source Outbreak?

• One source of infection with exposure at almost the same time

• One source with exposure over a long time

• One source with repeated exposures

• Person-to-person disease spread

Which type of outbreak spreads from person to person?

• Point Source Outbreak

• Continuous Common Source Outbreak

• Propagated Outbreak

• Intermittent Common Source Outbreak

What is the Incubation Period?

• Time between exposure and symptom onset

• Time between the first and last cases

• Time it takes for a vaccine to work

• Time it takes for an outbreak to end

Which outbreak type involves one source of infection but people are exposed at different times?

• Continuous Common Source Outbreak

• Intermittent Common Source Outbreak

• Propagated Outbreak

• Point Source Outbreak

Which outbreak type has ongoing exposure to a single source over a long period?

• Propagated Outbreak

• Intermittent Common Source Outbreak

• Continuous Common Source Outbreak

• Point Source Outbreak

What is shown by an Epidemic (Epi) Curve?

• How many cases occur over time

• The source of the infection

• The severity of symptoms

• The timeline of vaccine development

What is a Point Source Outbreak most likely to look like on an Epi curve?

• Gradual increase and decrease in cases

• Multiple waves of cases

• A sharp spike in cases at the same time

• A steady, slow rise in cases