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The HPV vaccine protects against both the high risk strains that cause cancer and low risk strains that cause genital warts.

A 25-year-old pediatric resident has a serious case of pneumonia and then breaks out in vesicular lesions. All stages of the lesions can be seen at any given time. What could have prevented this disease in the resident?

Which virus can be transmitted through vaginal delivery and but does not cross the placenta?

Viruses are considered prokaryotic organisms. 

Match each of the following organisms to the best description of their clinical significance:

Match each of the following organisms to the best description of their basic identification methods:

Which of the following is not a common way we diagnose viral infections?

A 36-year-old man is seen for jaundice. He remembers that he woke up with a fever and abdominal pain 4 days earlier and since then has had no appetite and has felt very tired. His AntiHAV Igm test is positive.  Which of the following is a major mechanism for transmission of this disease?

Only viruses with double-stranded DNA, like our own, can infect human cells.

Fatigue can increase MSD risk by altering posture, reducing coordination, and increasing reliance on compensatory movements.