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Volume 16, Number 3—March 2010


Serologic Markers for Detecting Malaria in Areas of Low Endemicity, Somalia, 2008

Teun BousemaComments to Author , Randa M. Youssef, Jackie Cook, Jonathan Cox, Victor A. Alegana, Jamal Amran, Abdisalan M. Noor, Robert W. Snow, and Chris J. Drakeley
Author affiliations: London School of Hygiene and Tropical Medicine, London, UK (T. Bousema, J. Cook, J. Cox, C. Drakeley); University of Alexandria, Alexandria, Egypt (R.M. Youssef); Kenya Medical Research Institute–Wellcome Trust Research Programme, Nairobi, Kenya (R.M. Youssef, V.A. Alegana, J. Amran, A.M. Noor, R.W. Snow); Roll Back Malaria–World Health Organization, Hargeisa, Somalia (J. Amran); University of Oxford, Oxford, UK (A.M. Noor, R.W. Snow)

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Table 1

Characteristics of persons included in cross-sectional survey for Plasmodium falciparum and P. vivax infection, Somalia, 2008*

Characteristic Dry season, Mar–Apr End of wet season, Aug–Sep
No. persons 1,178 1,128
Age, y, median (IQR) 17 (6–36) 15 (6–37)
Female 48.6 (573/1,178) 50.8 (573/1,128)
Reported regular bed net use 1.9 (22/1,158) 2.2 (25/1,128)
Reported fever in 14 d preceding survey 4.8 (57/1,179) 0.6 (7/1,128)
Temperature >37.5°C at time of survey 0.8 (10/1,177) 1.1 (12/1,124)
Positive rapid diagnostic test result 0 (0/1,173) 0 (0/1,106)
Plasmodium falciparum parasite prevalence† 0 (0/1,173) 0 (0/1,106)
P. vivax parasite prevalence† 0 (0/1,173) 0 (0/1,106)

*IQR, interquartile range (25th−75th percentile). Values are % (no. positive/no. tested) unless otherwise indicated.
†Determined by screening 200 high-power microscopic fields.

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