  <td>viruses, skin, nosocomial, viral, infections, antimicrobial, antisepsis, persistence, mortality, products</td>
      <td><a href="Topic_13.html" target="_blank">16</a></td>
      <td>1</td>
    </tr>
    <tr>
      <th>t14</th>
      <td>chest, intubation, resuscitation, CPR, clothing, PAPR, 200, compression, chest_compression, technical</td>
      <td><a href="Topic_14.html" target="_blank">16</a></td>
      <td>3</td>
    </tr>
    <tr>
      <th>t15</th>
      <td>occupational, laboratory, contacts