Statistical information about the spread of a disease, either as <a class="localLink" href="/WebContent">WebContent</a>, or
described directly as a <a class="localLink" href="/Dataset">Dataset</a>, or the specific <a class="localLink" href="/Observation">Observation</a>s in the dataset. When a <a class="localLink" href="/WebContent">WebContent</a> URL is
provided, the page indicated might also contain more such markup.