date for stringency index data to be collected. This defaults
to current date. Format <code>YYYY-MM-DD</code>. Accepts either character string or
<code>date</code> class.</p></dd>
<dt>ccode</dt>
<dd><p><strong>ISO 3166-1 alpha-2</strong> country code, <strong>alpha-3</strong> country code,
or full <strong>country name</strong> string or vector of strings (mix of alpha-2 code
or alpha-3 code or country names is valid).</p></dd>
</dl></div>
    <div id="value">
    <h2>Value</h2>
    <p>A character object for