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Table 2 Estimated malaria cases based on size of military forces

From: Malaria’s contribution to World War One – the unexpected adversary

Location

Perioda(years)

Malaria incidence (per 1000 troops)

Estimated military population

Expected number of malaria casesb

Observed number of malaria surveillance cases

British and Dominion forces

Macedonia

3

369

404,207

149,076

162,517

Western Front

4

<1

5,399,563

<5,400

9,022

  

6,843,563c

<6843

 

East Africa

3

126

250,000

31,500

145,850

North Russia

2

8.7

22,258

194

35

German and Central Powers forces

Balkans

4

113

380,000

42,940

32,688

  

462,000

55,206

--

Ottoman territory:

     

- Turkish troops

4

308

350,000

107,800

412,000 –461,799

- German troops

2

308

5540

1689

4,763

Dardanelles – German troops

1

200

1000

200

--

Galicia and Anatolia Eastern Front

2

5.1

228,000d

1,163

29,952

750,000e

3,825

--

1,045,050

5,330

--

Yugoslavia

2

128

270,000

34,560

--

Western Front

4

<1

5,200,000

<5,200

11,222

  1. Dashes: information not identified.
  2. aApproximate duration of exposure.
  3. bEstimate based on single incident case per soldier, and does not include recurrent episodes or relapses for the same individuals.
  4. cExpected malaria cases based on two estimates for Western Front troop sizes.
  5. dMilitary numbers only for Russo-Turkish offensive winter 1915–1916 [35].
  6. eExpected malaria cases using estimates for Hapsburg army size of 750,000[46] or 1,045,000 [32].