Will infectious disease pose a greater threat to national security in the future than it has in the past?

Will infectious disease pose a greater threat to national security in the future than it has in the past?
please do a deep research and provide solid structure with mentioning a clear argument in the introduction. and try to use number of different sources to backup your argument, this course is about National Security and diseases.The Research Essay assessment task is an opportunity for you to:
apply and improve your research skills using library, electronic and other resources
develop your understanding of information and ideas at the frontiers of knowledge regarding disease, security and biological weapons
apply critical thinking and produce a logical, structured argument
develop your ability to write succinctly in an academic style that conforms to conventions on proper referencing (see, for example, p. 9)
Take time to get a good understanding of what the essay question requires, and think about how you might structure your argument in answer to the question. In conducting your research, be sure to identify and concentrate on only those issues which are directly relevant to the essay question. The purpose of the essay is not to survey a general topic but rather to answer a deliberately-worded, specific question. Ensure that your argument in response to the question is supported by reliable evidence and that the source of evidence is properly referenced. In the introduction to your essay it is a good idea to include a brief explanation of what you think the question requires of you and how you propose to answer it.
please use footnote refrencing