But How Do We Know?
Don't Sneeze On Me
- How Do We Know What Causes An Infectious Disease at http://www.microbeworld.org/index.php?option=com_jlibrary&view=article&id=8466
Use the below resources to answer the following questions.
- What sorts of evidence do researchers look for when trying to determine if two or more people have the same disease?
- Does the presence of a microorganism in a sick person mean that microorganism is the cause of the disease? Why or why not? Explain your thinking as fully as possible.
- After the observation of a microorganism in a sick person, why is it useful to obtain a pure culture of that organism to determine if it is the cause of the disease? What sort of investigations are possible once a pure culture is obtained? Why are these sorts of investigations useful in identifying an infectious agent?