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Epidemic, Endemic, and Pandemic Occurrence of Disease(s)
One  aspect of epidemiology is the study of the epidemic, endemic, and  pandemic occurrence of disease(s). Some critics may argue diseases and  conditions such as bird flu are endemic in many countries, and some may  argue human immunodeficiency virus (HIV) or AIDS is a series of  epidemics.
Using  the South University Online Library or the Internet, research about the  various epidemic, endemic, and pandemic occurrence of disease(s).
Based on your research and understanding, answer the following questions:

At what point  does a disease become an epidemic, endemic, or pandemic? What are the  parameters that define each of these states of a disease’s effect?
Do you agree that bird flu, HIV, or AIDS could be described as a series of epidemics? Why or why not?
Should we study epidemiology and disease control as a complement to the provision of healthcare services? Why or why not?
Disease control  has evolved since the discoveries and achievements of these  epidemiological pioneers— Hippocrates, John Snow, Pasteur, and Koch.  Explain the impact of at least one major historical contribution on the  current status of epidemiological practices. How can history potentially  shape and impact our future work in public health and clinical  medicine? Explain.