Infection Control · single question

Which of these can survive the longest on an environmental surface?

  1. Hepatitis B virus
  2. Hepatitis C virus
  3. Tuberculosis (bacterium)
  4. HIV
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Correct answer: A. Hepatitis B virus

Among bloodborne pathogens, Hepatitis B virus is well documented to survive on dry environmental surfaces for an unusually long time (it can remain infectious for at least several days to about a week), considerably longer than HIV (which loses infectivity quickly outside the body) or hepatitis C.

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