A Pie cha

B Histogram

C Scatter plot

D Venn diagram

A To determine when infections have been reduced below these target thresholds

B For assessing primary immunization coverage

C To provide reliable estimates of bih rate, death rate and infant moality rate

D All

A Active surveillance

B Sentinel surveillance

C Passive surveillance

D Routine checkup of all operated cases

A Specificity of the test

B Positive predictive value of the test

C Sensitivity of the test

D Likelihood ratio

A Clinical trial

B Coho

C Case control study

D Cross sectional study

A Drug inventory

B Staff management

C Vaccination coverage

D National Programs implementation.

A 8-15 degC

B 2-8 degC

C 0 degC

D 25-28 degC

A There is no association present between the factor and the disease

B There is positive association between the factor and the disease

C There is negative association between the factor and the disease

D Data insufficient to comment

A Literacy rate

B Life expectancy at birth

C Housing

D Family size

A 20

B 200

C 2000

D 20000