3- pandemics

Question 1

what is endemic?

Answer 1

occurs naturally in a population

Question 2

what is epidemic?

Answer 2

outbreak of unexpected size (more than one area/country)

Question 3

what is pandemic?

Answer 3

global distribution of disease

Question 4

what is phases 1-3 of pandemic?

Answer 4

predominantly animal infections - a few human infections

Question 5

what is phase 4 of pandemic?

Answer 5

sustained human-human transmission

Question 6

what is phases 5-6 of pandemic?

Answer 6

widespread human infection

Question 7

what is post peak of pandemic?

Answer 7

possibility of recurrent events

Question 8

what is post pandemic?

Answer 8

disease activity at seasonal levels

Question 9

what are the common causes of classic flu?

Answer 9

by influenza A + B viruses

*pandemic situation more by influenza A (more worrying as they can change)

Question 10

what is difference in primary influenzal pneumonia and secondary bacterial pneumonia?

Answer 10

primary influenzal pneumonia = usually seen in pandemic years when it’s a new virus that we don’t have existing responses to →high mortality in young people

secondary bacterial pneumonia = common in elderly, pre-existing disease and the secondary infection of flu takes them out