"n">outbreak_data</span><span class="o">.</span><span class="n">submission_date</span><span class="p">(</span><span class="s1">&#39;xbb.1&#39;</span><span class="p">,</span> <span class="n">location</span><span class="o">=</span><span class="s1">&#39;USA&#39;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="n">df</span><span class="p">)</span>
</pre></div>
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