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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