5331
Remarkably , a previously unreported deficient variant , G6PD Orissa ( 44 Ala - - > Gly ) , is responsible for most of the G6PD deficiency in tribal Indian populations but is not found in urban populations , where most of the G6PD deficiency is due to the G6PD Mediterranean ( 188 Ser - - > Phe ) variant .
 G6PD deficiency, G6PD deficiency
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 G6PD deficiency, G6PD deficiency