2549
In those patients who before transplantation were serological negative for CMV but had received organs from CMV - IgG positive donors , the incidence of the disease was highest .
 GENE: CMV - IgG
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: CMV - IgG