Communicable diseases are those that can spread from person to person, because they're caused by pathogens. This video considers what pathogens are, how they cause disease, the different ways they can spread, and how we can reduce...

“The Spread of Disease” will show students the different ways communicable diseases are transmitted.

Lesson on Typhoid Fever: Pathogenesis, Signs and Symptoms, Diagnosis, Treatment and Other Important Considerations

Hepatitis A (Viral Hepatitis) | Virus, Risk Factors, Pathophysiology, Signs & Symptoms, Diagnosis, Treatment



Hepatitis A is a viral infection caused by the hepatitis A virus, which is an RNA virus from the picornaviridae...

We've all gotten food poisoning before, and it's terrible. So what causes it? Just a little bit of bacteria called E. coli, that's all. Let's check them out!