<p><strong>References:</strong> <strong>1. </strong>Populations at risk for severe or complicated influenza illness: systematic review and meta-analysis (v1.0) Available at <a href="https://www.bmj.com/content/347/bmj.f5061" target="_blank">https://www.bmj.com/content/347/bmj.f5061</a> <strong>2.</strong> NSW Dept. Health - Medically at-risk and influenza (v1.0) <a href="https://www.health.nsw.gov.au/pages/emergency.aspx" target="_blank">https://www.health.nsw.gov.au/pages/emergency.aspx</a></p>
