ier_2007</a>, <a href="Topic_10.html#wy6myp97">Norrby_2004</a>, <a href="Topic_10.html#pphi42lj">Howard_2016</a></td>
      <td><a href="Topic_10.html#hq8dg87u">Albiger_2018</a></td>
    </tr>
    <tr>
      <th id="wy6myp97";>33</th>
      <td>Norrby_2004</td>
      <td>Alert to a European epidemic</td>
      <td>Norrby, S. Ragnar</td>
      <td>2004</td>
      <td>2004-09-29</td>
      <td>PMC</td>
      <td>N</td>
      <td><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7094946" target="_blank">PM