A patient who had mumps, measles, rubella, and chicken pox developed an extremely painful set of vesicular lesions on the left side of their face.  The lesions began as a rash which developed into blisters that crusted over before healing.  This patient has most likely developed a secondary infection caused by which of the following viruses (M66-6, 7, 13; Level 3)?

In the life cycle of hermaphroditic flukes, the most likely infective stage for humans is which of the following (M56-5; Level 2)?

Which of the following is likely to be found in clinical specimens as normal flora as well as a clinically significant isolate (M63-16; Level 1):

Which of the following is the specimen of choice for detecting Rubella (M66-5; Level 2):

A patient presenting with mild abdominal pain and proglottids in the feces. The ova & parasite exam demonstrates a yellow-brown egg measuring 33 um that is surrounded by a thick wall with radial striations.  Internally a six-hook oncosphere is visible. The most likely identification is (M53-4, 10, 11; Level 3):

What virus causes immune suppression in the host by targeting and destroying the host’s CD4+ T cells?

The following is considered an inherent problem with using serological methods for the diagnosis of a viral infection:

A sexually transmitted gram-negative diplococcus that grows on Modified Thayer-Martin media, can be further identified as Neisseria gonorrhoeae by which of the following reactions (M40-30; Level 3)?

The following is true of the Influenzae virus (M66-26; Level 2):

What organism is typically found in the San Joaquin Valley region of California (M60-13, 15, 17, 21; Level 3)?