3291
Given the influx of Southeast Asians into the United States , oxidant medications should be used with caution , especially if an infection is present , in individuals of ethnic backgrounds that have an increased prevalence of hemoglobin E .
 infection
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 infection