Cheung, Elizabeth  <br/><br/>
Dozens of Hong Kong university laboratory staff in quarantine after environmental samples test positive for coronavirus / 

<br/><br/> https://www.scmp.com/news/hong-kong/health-environment/article/3102262/hong-kong-facing-most-new-covid-19-cases-almost 
<br/><br/><label>Subjects--Index Terms: </label>Hong Kong University environmental samples test positive