Question 1163978
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It seems unrealistic  (and it is unrealistic),  because the formulation of the problem is incorrect.



To learn the subject wider and deeper, see this Wikipedia article

https://en.wikipedia.org/wiki/COVID-19_pandemic



To learn on relevant terminology,  see this Wikipedia article

https://en.wikipedia.org/wiki/Basic_reproduction_number



When you learn the terminology,  you will be in position to create  (to compose)  your own problems on the subject.