
	    </div>
	</div>

	<p>Pilots use flight simulators to learn how not to crash planes.</p>

	<p><strong>Epidemiologists use epidemic simulators to learn how not to crash humanity.</strong></p>

	<p>So, let&#39;s make a very, <em>very</em> simple &quot;epidemic flight simulator&quot;! In this simulation, <icon i></icon> Infectious people can turn <icon s></icon> Susceptible people into more <icon i></icon> Infectious people:</p>

	<p><img src="pics/spread.png" alt=""></p>

	<p>It&#39;s estimated that, <em>