="footnote">17</a></sup>, while the city-wide lockdown in London cut close contacts by ~70%<sup id="fnref18"><a href="#fn18" rel="footnote">18</a></sup>. So, let&#39;s assume handwashing can reduce R by <em>up to</em> 25%, and distancing can reduce R by <em>up to</em> 70%:</p>

	<p><strong>Play with this calculator to see how % of <span class="nowrap">non-<icon s></icon>,</span> handwashing, and distancing reduce R:</strong> (this calculator visualizes their <em>relative</em> effects, which is why increasin