Lecture 4- Outbreak management COVID-19

Question 1

what is health protection

Answer 1

• infectious diseases
• chemicals and poisons
• radiation
• emergency response
• environmental hazards
• screening

Question 2

Reproductive number

Answer 2

• Transmission potential of a disease
• Average number of secondary infections arising from one primary infection

Question 3

R₀

Answer 3

basic reproductive number- assumes a population where everyone is susceptible

Question 4

R

Answer 4

effective reproduction number- acknowledges some immunity among a population e.g. through vaccines or prior infection

• this immune propriton of a population is X

so R= R₀X

Question 5

herd immunity threshold (HIT)

Answer 5

Question 6

Notifiable disease

Answer 6

• Statutory legal responsibility to notify PHE of notifiable disease and other situations with public health implications
  
  • ‘reasonable ground for suspecting’ a disease/illness (don’t wait for confirmation) e.g. if meningitis is a main differential
  • Urgent issue should be notified within 24 hours

Question 7

sensitivity

Answer 7

Sensitivity- how good a test is at detecting cases

Question 8

Specificity

Answer 8

- how good a test is at detecting non-cases

Question 9

response phases

Answer 9

Question 10

COVID -19 response

Answer 10

Question 11

difficulties of COVID-19 response

Answer 11

Question 12

issues with national response

Answer 12