Herd Immunity Simulator

written by Shane Killian
modified by Robert Webb
* - Vaccinated cell
* - Unvaccinated cell
* - Infected cell

Click on a cell below to infect it and watch how it spreads.

Immunization rate on left: Immunization rate on right: Same as left
Infection rate if not vaccinated: Infection rate if vaccinated:
Infection speed:
 
Results:
Total population: = vaccinated + unvaccinated.
Number infected: = vaccinated + unvaccinated.
% of population infected.
% of vaccinated population infected.
% of unvaccinated population infected.
% of infected had been vaccinated.