1921
Volume 77, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645

Abstract

The Amazon region of Iquitos, Peru is hypoendemic for and . There is limited information regarding the epidemiology of malaria during pregnancy in this region. Passive surveillance for clinical malaria among pregnant women was conducted in eight health posts in 2004 and 2005. Community-based active surveillance was conducted to determine the incidence of malarial infection among pregnant women in the community of Zungarococha in 2004 and 2005. Passive surveillance demonstrated that pregnant women had a prevalence of clinical malaria of 7.5% in 2004 and 6.6% in 2005 compared with 20.6% and 22.4% of the total population. Active surveillance showed that pregnant women were 2.3 (95% confidence interval = 1.32–3.95, = 0.004) times more likely to have a infection compared with non-pregnant women. This study demonstrated that because of detection bias, passive surveillance underestimates the burden of malarial infection during pregnancy, and that subclinical malarial infections may occur frequently among pregnant women in this region. Furthermore, pregnant women in this low-transmission and –dominant setting, experience an increased risk for infection, but not infection.

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  • Received : 10 Nov 2006
  • Accepted : 01 May 2007

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