    </tr>
    <tr>
      <th>t11</th>
      <td>surfaces, cleaning, disinfection, environmental, contaminated, samples, contamination, hours, pathogens, objects</td>
      <td><a href="Topic_11.html" target="_blank">28</a></td>
      <td>4</td>
    </tr>
    <tr>
      <th>t12</th>
      <td>95, CI, influenza, masks, ARI, medical_masks, respiratory_infection, MDR, cloth, cloth_masks</td>
      <td><a href="Topic_12.html" target="_blank">17</a></td>
      <td>1</td>
    </tr>
    <tr>
      <th>t13</th>
    