You must find a credible resource that discusses why your pathogen/disease is classified as emerging or re-emerging. You need to discuss what type of microbe it is, what disease it causes, why the pathogen/disease is emerging or re-emerging, signs and symptoms, course of disease, treatment, and prevention.
Your discussion should be well-written, in your own words, paraphrasing from only credible academic sources. You may not directly quote from your sources, minimum elaboration on the topic of a minimum of 300 words