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Table 2 Studies of seroprevalence of T. gondii in human populations conducted in Colombia

From: An overview of seventy years of research (1944 – 2014) on toxoplasmosis in Colombia, South America

Year Population studied Area on the map No. tested Test (cut-off) No. positive (%) Reference
Low risk groups      
1956 Indigenous Guambianos CAU 297 SF (16) 88(29.63) [11]
1956 Healthy patients D.C, BOL, ATL, CAL, ANT 36 SF (NR) 22(61.11) [14]
1959 Healthy individuals D.C 205 SF (NR) 47(22.93) [14]
Mental patients 111 23(20.72)
Patients with diverse ailments 38 15(39.47)
1968 Blood donors ANT 184 SF (2) 98(53.26) [15]
1969 Patients from Tunja Hospital BOY 171 SF (8) 41(24.00) [16]
Soldiers BOY 254 134(52.76)
1974 Soldiers from several regions   1771 SF (16) 886(50.02) [12]
1976 Pregnant women ANT 120 SF (NR) 10(8.33) [9]
1980 Pregnant women, nationwide survey   414 IFAT (16) 26(63.04) [17]
1992 Pregnant women (National Institute of Health) D.C 1000 IFAT (16) 590(59.00) [18]
1993 Pregnant women QUI 1617 IFAT (16) 1024(63.33) [19]
1996 Pregnant women CAS 51 IFAT(16) 37(72.55) [20]
Women of reproductive age 327 253(77.37)
1997 Pregnant women QUI 937 IFAT (16) 569(60.73) [21]
1998 Pregnant women D.C 637 IFAT (16) 299(46.94) [22]
2003 Individuals without contact with dogs CAL 300 IFAT (64) 132(44.00) [23]
Dog owners 306 99(32.35)
2005 Pregnant women MET 300 ELISA (>10 UI/ml) 158(52.67) [24]
2005 Pregnant women VAC 955 MEIA (NR) (45.76) [25]
2007 University students without ocular lesion QUI 21 ELISA (>10 UI/ml) 13(61.91) [26]
University students with ocular lesion 12 9(75.00)
2008 Group volunteers Not Stated 140 ELISA (>1 UI) 74(52.86) [27]
2009 National Institute of Health of Colombia D:C 243 ELISA (>10 UI/ml) 137(56.38) [28]
2012 Adult and child population NAR 240 ELISA (>9 UI/ml) 108(45.00) [29]
High-risk groups      
1981 Patients with clinical toxoplasmosis VCA 44 IHAT (NR) 24(54.55) [30]
1981 Handlers of slaughterhouses ANT 169 IFAT (16) 45(26.63) [31]
2001 HIV-positive patients D.C 16 IFAT (128) (93.75) [32]
2003 Pregnant women with a history of abortion SUC 100 ELFA (>8 UI/ml) 56(56.00) [33]
2005 Patients with uveitis D.C 25 ELISA (>9 UI/ml) 23(92.00) [34]
2006 Veterinarians MET 86 ELISA (>10 UI/ml) 36(44.19) [35]
2007 HIV patients with cerebral toxoplasmosis QUI 21 ELISA (>10 UI/ml) 16(76.19) [36]
2008 Handlers in slaughterhouses D.C, 82 ELFA (>8 UI/ml) 44(53.66) [37]
SAN 73 48(65.75)
ANT 72 45(62.50)
COR 80 67(83.75)
MET 93 83(89.25)
2009 Soldiers operating in jungle D.C 490 ELISA (NR) 394(80.41) [38]
Urban soldiers operating in Bogotá 501 226(4511)
2011 Colombian newborn screening of Toxoplasma QUI 1517 IC-ELISA (OD 8) 31(2.04) [10]
ATL 2901 2(0.07)
D.C 5398 12(0.22)
SAN 3036 7(0.23)
NSA 1124 0(0.00)
CAQ 510 9(1.76)
  LAG 801   0(0.00)  
  1. NR: not registered.