30187
Thus , the frequency of DR7DQ2 , DR14DQ5 , DR4DQ8 , and DR8DQ4 haplotypes were greater among those with high sensitivity ; a finding confirmed by analysis of responses to immortalized homozygous B cell lines . Collectively , the results reveal that factors other than neutralising antibody and the frequency of V beta 2 ( + ) T lymphocytes determine immunological responsiveness to TSST - 1 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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