A3 – PHID

A3

1 / 5

Basic reproductive number R₀ is a measure incorporating the following except

infective period

probability of transmission

degree of pathogenicity

transmission per contact

contact per unit time

2 / 5

Which of the following descriptions about an epidemic is wrong?

Occurrence of a number of cases in excess of that anticipated

Pandemic is a form of epidemic

Hyperendemic is a severe form of epidemic

It applies to non-infections

None of the above

3 / 5

Attack rate of an infection refers to

prevalent cases

new cases

severe cases

cases during latency

fatal cases

4 / 5

Which of the following is not an epidemiological method?

Biostatistics

Temporaspatial studies

Molecular studies

Network studies

Pathogen culture

5 / 5

Which of the following sequence of events is correct?

Disease → infection → exposure

Exposure → infection → disease

Infection → disease → exposure

Exposure → disease → infection

Infection → exposure → disease

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