- There are currently 7.5 Billion people on earth
- Per Milton's post, 25%-40% of the population will become infected.
- 25% of 7.5 Billion people is 1.875 Billion people infected
- Per Biff's post, 2.3% of those infected will die
- 2.3% of 1.875 Billion infected people is 43.125 Million people