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Infectious Disease

Clostridium difficile Infection

Clostridium difficile is a gram-positive anaerobic bacillus which secretes toxins (A and B) that cause diarrhea and pseudomembranous colitis. C. difficile is the most common infectious cause of nosocomial diarrhea. Transmission of C. difficile can occur from contact...

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Chickenpox vs. Shingles

The varicella-zoster virus causes varicella (chickenpox) and shingles (herpes zoster). It is very contagious. Chickenpox is usually a childhood infection that begins with a prodrome of fever, headache, and malaise followed by a generalized vesicular rash. It is...

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Zika Virus Infection

Zika Virus Infection is typically caused by the bite of an infected Aedes species mosquito (A. aegypti and A. albopictus). These mosquitoes also transmit the dengue and chikungunya viruses. Spread of the Zika virus through blood transfusion and sexual contact has also...

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