_blank">21</a></td>
      <td>0</td>
    </tr>
    <tr>
      <th>t09</th>
      <td>PPE, doffing, removal, donning, gown, contamination, personal_protective_equipment, fluorescent, PPC, personal</td>
      <td><a href="Topic_09.html" target="_blank">25</a></td>
      <td>0</td>
    </tr>
    <tr>
      <th>t10</th>
      <td>mers-cov, COVID-19, sars-cov-2, MERS, middle, east, coronavirus, facemask, cases, facemask_wearing</td>
      <td><a href="Topic_10.html" target="_blank">24</a></td>
      <td>11</td>
