Field epidemiology, nutrition and health in emergencies

A site of 25,000 people records 42 deaths in 14 days. What is the crude mortality rate (CMR)?

When the baseline rate is not known, above what crude mortality rate is a situation considered an emergency?

On the same site, children under 5 make up 20% of the population. 27 deaths of children under 5 are recorded in 30 days. What is the under-5 mortality rate and how should it be interpreted?

An outbreak of acute watery diarrhoea affects 380 people in a population of 9,500. What is the attack rate?

Among these 380 cases, 7 deaths are recorded. What is the case fatality rate and what should be concluded?

A measles vaccination campaign targets children aged 6 months to 15 years, i.e. 45% of a population of 40,000. With a wastage factor of 1.18, how many doses should be ordered?

After the campaign, 16,560 children out of the target of 18,000 are vaccinated. What is the coverage and has the target been met with regard to Sphere?

A health centre receives 2,400 consultations per week and is open 6 days. To stay within 50 consultations per clinician per day, how many clinicians are needed?

A MUAC screening covers 600 children aged 6 to 59 months: 12 have a MUAC below 115 mm or bilateral oedema, 42 have a MUAC between 115 and 124 mm without oedema. What is the prevalence of global acute malnutrition (GAM) by MUAC?

For a child aged 6 to 59 months, which MUAC threshold defines severe acute malnutrition?

Which criterion, on its own, classifies a child as having severe acute malnutrition, regardless of MUAC?

According to Sphere, which age group should be prioritised for a measles vaccination campaign in an emergency?

In the management of childhood diarrhoea, in addition to ORS, for how many days is zinc given?

When should the Minimum Initial Service Package (MISP) for sexual and reproductive health be implemented?

In an early warning system, which of these events on its own justifies an immediate investigation?

The vaccine vial monitor (VVM) on a vial shows an inner square of the same colour as the outer circle. What should you do?

What is the difference between incidence and prevalence?

Why is a standard case definition used in epidemiological surveillance?

1,200 malaria cases are expected per month. You order 2 months of consumption plus 25% safety stock. How many ACT treatments should you order?

A population of 40,000 people has an estimated crude birth rate of 4% per year. How many deliveries should be expected per month?