Inaction on study creates inference that prison was indifferent.
D018562:Disease Transmission, Infectious / Q000331:legislation & jurisprudence*; D006509:Hepatitis B / Q000175:diagnosis / Q000635:transmission; D006801:Humans; D007087:Illinois; D016365:Liability, Legal; D011329:Prisoners / Q000331:legislation & jurisprudence*; D011330:Prisons / Q000331:legislation & jurisprudence* / Q000592:standards