STEP 5: DEVELOP HYPOTHESIS

Question 1

Is the person (index case) or vehicle (e.g.food,water) that
initially brought the infection into the affected community

Answer 1

source of infection

Question 2

Pattern by which infection can be carried from the source to
the individuals infected

Answer 2

Pattern of spread

Question 3

one single source of infection

Answer 3

Common source pattern

Question 4

infection propagates itself by spreading
directly from person to person over an extended period

Answer 4

Propagated pattern

Question 5

persons acquire the disease through a
common source and spread it to other via personal contact

Answer 5

Mixed pattern

Question 6

Involve a common source and tend to have epidemic
curves with a rapid increase in cases followed by a
somewhat slower decline

Answer 6

Point source exposure

Question 7

May also rise to a peak and then fall,but the cases do not all occur within the span of a single incubation period

Answer 7

Continuous common source exposure

Question 8

Usually has a series of successively larger peaks, which are one incubation period apart

Answer 8

Propagated exposure

Question 9

Common,efficient way of testing hypothesis

Answer 9

Case control studies

Question 10

4 common source of intervention to control an outbreak

Answer 10

Sanitation
Prophylaxis
Diagnosis and treatment
Control of disease vectors

Question 11

Modification of environment

Answer 11

Sanitation

Question 12

Putting abarrier to the infection, such as vaccine, within the susceptible host

Answer 12

Prophylaxis

Question 13

Performed to affected persons to avoid spreading of disease to others

Answer 13

Diagnosis and treatment