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Table 3 Comparison of nested PCR assay and microscopy results of Plasmodium-infected study participants

From: Absence of Plasmodium inui and Plasmodium cynomolgi, but detection of Plasmodium knowlesi and Plasmodium vivax infections in asymptomatic humans in the Betong division of Sarawak, Malaysian Borneo

Study ID Gender Age (years) Occupation Malaria history (year of infection) Temperature Blood collection period Microscopy (parasitaemia) Nested PCR
D001 M 65 Farmer None Afebrile March 2014 32 p/μl Pk
H011 M 86 Farmer None Afebrile March 2014 48 p/μl Pk
C028 M 45 Farmer None Afebrile March 2014 48 p/μl Pk
C024 M 35 Farmer None Afebrile June 2014 Negative Pk
C031 M 61 Farmer None Afebrile June 2014 48 p/µl Pk
H030 M 61 Retiree None Afebrile June 2014 Negative Pv
A008a M 24 Farmer None Febrile (37.4 °C)b October 2014 3536 p/μl Pk
A011 F 42 Farmer Pk (2013) Afebrile October 2014 Negative Pk
H033 F 71 Farmer None Afebrile April 2015 Negative Genus positive
  1. A, Nanga Mutok; C, Raba Tiput; D, Batu Lintang; H, Nanga Keron; F, female; M, male; p/μl, number of parasites per microlitre of blood; Pk, Plasmodium knowlesi; Pv, Plasmodium vivax
  2. aThis individual had worked at the farm/went hunting the week prior to sample collection
  3. bBody temperature by Thermoflash (Visiomed, France) detection of the temporal artery, which was available from October 2014 onwards