Clostridioides difficile, otherwise known as C. diff, is a fairly common infection by a bacterium of the same name. This infection can often occur in a hospital or long-term care setting due to the fact that it can be caused by antibiotic use, although a person can...

Giardia lamblia, also known as giardia duodenalis, is a microscopic protozoan flagellate that can cause a range of gastrointestinal symptoms, from severe diarrhea to malabsorption. According to the CDC, it is the most common cause of waterborne outbreaks of diarrhea...