Air purifiers 'may help SPREAD Covid-19 in confined spaces'

Scientists say air purifiers inside lifts could increase the spread of Covid-19, were someone to cough in the confined space. Experts have called for limits to how many people use a lift at once. https://www.dailymail.co.uk/news/article-9198747/Air-purifiers-help-SPREAD-Covid-19-confined-spaces-study-claims.html?ns_mchannel=rss&ns_campaign=1490&ito=1490