How do we apply P.E.R.I.E process to the Coronavirus outbreak?

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if you encounter an unknown disease  in humans and would like to understand the genetic mechanism for this disease so that an effective  and targetted treatment approach can be developed , what will be the best strategy or steps to accomplish the goal? NB :answer in at most 4 sentences.

Define: Gene Therapy:

Suggest different strategies on the following aspects of COVID-19: a. Diagnostics b. Vaccines

What is the difference between a communicable and an infectious disease?

Why are antibiotics and vaccines important? Explain the development of antibiotic resistance and viral resistance. List websites or articles used to acquire the information.

What is the major difference between common cold and flu? Why has no vaccine been developed for the common cold?

The epidemiological or disease triangle is a model of disease causation that proposes three factors contribute to an outbreak – an agent that causes the disease, a susceptible host, and an environment that brings the host and agent together. Some general changes within these three factors that may cause an infectious disease to emerge include:     A. changes in populations or behavior of reservoir hosts or intermediate hosts   B. microbial genetic mutation and viral genetic recombination or assortment    C. environmental factors such as an increase in precipitation   D. all of the above    E. none of the above

Where do Hg resistant genes reside? How are theycontrolled?