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Volume 15, Number 5—May 2009


Chloroquine-Resistant Haplotype Plasmodium falciparum Parasites, Haiti

Berlin L. Londono, Thomas P. Eisele, Joseph Keating, Adam Bennett, Chandon Chattopadhyay, Gaetan Heyliger, Brian Mack, Ian Rawson, Jean-Francois Vely, Olbeg Désinor, and Donald J. KrogstadComments to Author 
Author affiliations: Tulane University, New Orleans, Louisiana, USA (B.L. Londono, T.P. Eisele, J. Keating, A. Bennett, B. Mack, D.J. Krogstad); University of Pamplona, Pamplona, Colombia (B.L. Londono); Hôpital Albert Schweitzer, Deschapelles, Haiti (C. Chattopadhyay, G. Heyliger, I. Rawson); Swiss Tropical Institute, Basel, Switzerland (C. Chattopadhyay); Ministry of Health, Port-au-Prince, Haiti (J.-F. Vely); US Agency for International Development, Port-au-Prince (O. Désinor)

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Table 2

Samples from household surveys (active case detection) and hospital outpatients (passive case detection) tested by small subunit PCR for Plasmodium falciparum, by year of collection, Haiti

Characteristic 2006 2007 Total
Samples from household surveys, no. positive/no. tested (%) 23/714 (3.2) 5/5 (100) 28/719 (4)
Samples from hospital outpatients, no. positive/no. tested (%) 9/55 (16) 42/47 (89) 51/102 (50)
Total, no. positive/no. tested (%)
32/769 (4.2)
47/52 (90.4)
79/821 (9.6)
Molecular studies
Resistance to ApoI digestion, no. positive/no. tested (%) 6/32 (19) 4/47 (9) 10/79 (13)
Haplotype, no. samples
CVIET 4 0 4
CVMNT 0 1 1
CVMNK 2 3 5

Main Article