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Table 4 Seasonal changes in the prevalence of Plasmodium falciparum Infection (based on the frequency of positive thick blood smears)

From: Development of a data collection and management system in West Africa: challenges and sustainability

 

Beginning of the malaria season

End of the malaria season

Positive

Total

Positive percentage

Positive

Total

Positive percentage

Dangassa

579

1394

41.5

468

1103

42.4

Dioro

365

1487

24.5

95

1218

7.8

Gambissara

65

1397

4.7

194

1225

15.8

Madina Fall

4

1384

0.3

22

1391

1.6

Total

1013

5662

17.9

779

4937

15.8

  1. Seasonal changes in the prevalence of Plasmodium falciparum infection (based on the frequency of positive thick blood smears)
  2. Rows indicate the study sites from which blood samples were obtained. Columns indicate the number of samples positive for asexual P. falciparum parasites, the number of slides examined and the percent of slides positive by microscopy (columns 2 and 5 were divided by columns 3 and 6 to yield the percent of parasitized subjects in columns 4 and 7, respectively)