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Table 1 Prevalence, assemblages, sub-assemblages, and MLGs of G. duodenalis in humans in Heilongjiang Province

From: Giardia duodenalis in patients with diarrhea and various animals in northeastern China: prevalence and multilocus genetic characterization

Age group (years)

Positive no./examined no. (%)

Assemblage (n)

Sub-assemblage (n)/accession no.

MLGs (n)

SSU rRNA

bg

tpi

gdh

Children (< 5)

0/26

     

Minors (5–17)a

22/225 (9.78)

A (3)

AII (1)/OM001823

AII (1)/OM001842

AII (1)/OM001857

MLG-AII (1)

B (19)

  

B1 (1)/OM001858

 

B1 (1)/OM001824

B1 (1)/OM001843

B2 (1)/OM001859

MLG-B1 (1)

Young adults (18–35)

0/31

     

Middle-aged adults (36–60)a

1/83 (1.20)

A (1)

AII (1)/OM001823

   

Older adults (> 60)

1/48 (2.08)

A (1)

    

Total

24/413 (5.81)

A (5), B (19)

AII (2), B1 (1)

AII (1), B1 (1)

AII (1), B1 (1), B2 (1)

 
  1. One novel sequence obtained in the present study is highlighted in bold
  2. aA significant difference in prevalence is observed only between the age groups of 5–17 and 36–60 years