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Table 1 Microscopy and PCR results, January 2009 to November 2011

From: Epidemiology of Plasmodium knowlesi malaria in north-east Sabah, Malaysia: family clusters and wide age distribution

  PCR
Microscopy Pf Pv Pk Pv/Pk Pf/Pk Pf/Pv/Pk Pm/Pk Pf/Pm Pv/Pm/Pk P.genus negative Not done Total
Pf 10 0 5 0 0 0 0 0 0 0 1 60 76
Pv 0 9 0 6 0 0 0 0 0 4 0 34 53
Pm 3 11 306 18 6 2 1 0 0 18 7 57 429
Pm/Pv 3 12 10 11 0 0 0 0 1 2 1 7 47
Pf/Pm 7 0 22 0 0 0 0 1 1 0 1 8 40
Pf/Pv 1 2 1 1 0 0 0 0 0 0 0 2 7
Pf/Pv/Pm 0 0 1 0 0 0 0 0 0 0 0 0 1
Total 24 34 345 36 6 2 1 1 2 24 10 168 653
  1. *Blood slides with parasites resembling P. malariae were sometimes reported as “Pm/Pk” or “Pm(?Pk)” but for simplicity are all referred to here as “Pm”.Abbreviations: Pf=P. falciparum, Pv=P. vivax, Pm=P. malariae, Pk=P. knowlesi.