Final answer:
Mycobacterium tuberculosis is the highest risk microbe among the options due to its life-threatening potential. HIV cannot be identified using Koch's postulates. Tuberculosis is not considered an emerging disease.
Explanation:
Mycobacterium tuberculosis poses the highest risk among the given options as it is a dangerous/exotic agent with a high risk of life-threatening disease. In microbiology labs, such high-risk microbes are handled with extreme caution due to their potential to cause severe infections.
Koch's postulates are used to identify pathogenic microbes, but Human immunodeficiency virus (HIV) cannot be identified using these postulates as it does not fulfill all the criteria due to its unique characteristics.
Emerging diseases refer to newly appearing or increasing instances of a disease in a population, making Tuberculosis the only option listed that would not be considered an emerging disease.
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