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Table 2 Overview of results on Taenia spp. egg prevalence on vegetables and fruit

From: The survival and dispersal of Taenia eggs in the environment: what are the implications for transmission? A systematic review

Country

Climate zonea

Taenia spp. egg prevalence before washing, no species specified (N = sample size)

Taenia spp. egg prevalence after washing (N = sample size)

Year of publication

Reference

Iran

Hot desert with Mediterranean and continental hot summer climate in the north

0.9% (N = 772)

0 (N = 772)

2016

[41]

Iran

Hot desert with Mediterranean and continental hot summer climate in the north

9.2% (N = 304)

1.3% (N = 304) (traditional washingb)

0 (standard washingc)

2012

[45]

Iran

Hot desert with Mediterranean and continental hot summer climate in the north

1.8% (N = 218) (Taenia/Echinococcus)

0 (N = 436)

2010

[42]

Iran

Hot desert with Mediterranean and continental hot summer climate in the north

4.86% (N = 453)

NAd

2016

[37]

Nigeria

Tropical Savanna climate with hot semi-arid climate in the north

10.6% (N = 199)

NA

2012

[40]

Nigeria

Tropical savanna climate with hot semi-arid climate in the north

1.25% (N = 960)

NA

2015

[36]

Nigeria

Tropical savanna climate with hot semi-arid climate in the north

2% (N = 1130) (Taenia/Echinococcus)

NA

2012

[35]

Pakistan

Hot desert with hot semi-arid climate in the north

2.7% (N = 520)

NA

2017

[39]

Turkey

Mixed cold semi-arid, Mediterranean and continental hot summer climate

3.5% (N = 203)

0 (N = 406)

2005

[84]

Turkey

Mixed cold semi-arid, Mediterranean and continental hot summer climate

2.7% (N = 111) (Taenia/Echinococcus)

NA

2013

[103]

Jordan

Hot desert

6% (N = 133)

NA

2016

[38]

Saudi Arabia

Hot desert

3.2% (N = 470) (Taenia/Echinococcus)

NA

2010

[44]

Vietnam

Tropical savanna climate

<1% (N = 317)

NA

2009

[43]

Libya

Hot desert

Taenia/Echinococcus spp.: in 6% of tomato (N = 36), 25% of cucumber (N = 36), 33% of lettuce (N = 27) and 30% of cress samples (N = 27)

NA

2010

[83]

  1. aKöppen climate classification
  2. bImmersed in tap water in sink for 6-7 min, then, rinsed for 1.5–2 mins
  3. cWashed, immersed in solution containing 200 ppm active calcium hypochlorite for 30 mins, rinsed in automated fruit-vegetable washer.
  4. dNot applicable, not investigated in the study