Map showing the number of global snake envenomings, based on data by Kasturiratne et al.,<sup id="cite_ref-Kasturiratne_1-0" class="reference"><a href="#cite_note-Kasturiratne-1">[1]</a></sup> who used the Global Burden of Disease (GBD) regions to group 227 countries. The countries appearing in each region can be found on the <a rel="nofollow" class="external text" href="http://www.globalburden.org/GBD_Study_Operations_Manual_Jan_20_2009.pdf">GBD Operations Manual</a>. 
<hr><div class="reflist" style="list-style-type: decimal;">
<ol class="references"><li id="cite_note-Kasturiratne-1"><span class="mw-cite-backlink"><a href="#cite_ref-Kasturiratne_1-0">↑</a></span> <span class="reference-text"><cite style="font-style:normal">Kasturiratne, A; Wickremasinghe AR, de Silva N, Gunawardena NK, Pathmeswaran A, et al. (November 2008). "<a rel="nofollow" class="external text" href="http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.0050218">The Global Burden of Snakebite: A Literature Analysis and Modelling Based on Regional Estimates of Envenoming and Deaths</a>". <i>PloS Medicine</i> <b>5</b> (11). <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pmed.0050218">10.1371/journal.pmed.0050218</a>. Retrieved on <span class="mw-formatted-date" title="2009-06-24">2009-06-24</span>.</cite></span>
</li>
</ol></div>
<p><b>The 21 geographical regions are:</b><br></p>
<ol><li>Asia Pacific, High Income</li>
<li>Asia, Central</li>
<li>Asia, East</li>
<li>Asia, South</li>
<li>Asia, Southeast</li>
<li>Australasia</li>
<li>Caribbean</li>
<li>Europe, Central</li>
<li>Europe, Eastern</li>
<li>Europe, Western</li>
<li>Latin America, Andean</li>
<li>Latin America, Central</li>
<li>Latin America, Southern</li>
<li>Latin America, Tropical</li>
<li>North Africa / Middle East</li>
<li>North America, High Income</li>
<li>Oceania</li>
<li>Sub-Saharan Africa, Central</li>
<li>Sub-Saharan Africa, East</li>
<li>Sub-Saharan Africa, Southern</li>
<li>Sub-Saharan Africa, West</li></ol>
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