Three Chinese families on different floors all became infected after virus spread through plumbing 

Four members of a family-of-five living on the 15th floor of the apartment in Guangzhou, had recently returned home from Wuhan when two middle aged couples on the 25th and 27th floors became ill. https://www.dailymail.co.uk/news/article-8697839/Three-Chinese-families-different-floors-infected-virus-spread-plumbing.html?ns_mchannel=rss&ns_campaign=1490&ito=1490