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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NACO1" accession="SRS9444187">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS9444187</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN20080737</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>nasal swab control</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
      <SCIENTIFIC_NAME>human nasopharyngeal metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>744167</ID>
          <LABEL>PRJNA744167</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2021-03-19</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nasal mucosa</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NACO2" accession="SRS9444188">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS9444188</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN20080738</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>nasal swab control</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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        <VALUE>2021-03-20</VALUE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NA4" accession="SRS9444189">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS9444189</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN20080721</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>nasal swab covid19 +</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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        <VALUE>2021-03-03</VALUE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>not applicable</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
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  <SAMPLE alias="NACO3" accession="SRS9444190">
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      <PRIMARY_ID>SRS9444190</PRIMARY_ID>
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    </IDENTIFIERS>
    <TITLE>nasal swab control</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
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      <SAMPLE_LINK>
        <XREF_LINK>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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        <VALUE>2021-03-21</VALUE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
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        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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    </SAMPLE_ATTRIBUTES>
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  <SAMPLE alias="NA5" accession="SRS9444191">
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      <PRIMARY_ID>SRS9444191</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
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    <TITLE>nasal swab control</TITLE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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        <VALUE>MIGS/MIMS/MIMARKS.human-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NA14" accession="SRS9444197">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS9444197</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN20080727</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>nasal swab covid19 +</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
      <SCIENTIFIC_NAME>human nasopharyngeal metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>744167</ID>
          <LABEL>PRJNA744167</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2021-03-09</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ethnicity</TAG>
        <VALUE>Caucasian</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nasal mucosa</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="NA15" accession="SRS9444198">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS9444198</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN20080728</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>nasal swab covid19 +</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>1131769</TAXON_ID>
      <SCIENTIFIC_NAME>human nasopharyngeal metagenome</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>744167</ID>
          <LABEL>PRJNA744167</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>2021-03-10</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_broad_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_local_scale</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>env_medium</TAG>
        <VALUE>not applicable</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>Italy: Campania</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>host</TAG>
        <VALUE>Homo sapiens</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>lat_lon</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>ethnicity</TAG>
        <VALUE>Caucasian</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>isolation_source</TAG>
        <VALUE>nasal mucosa</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIMS.me</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>BioSampleModel</TAG>
        <VALUE>MIGS/MIMS/MIMARKS.human-associated</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
