Don't spray disinfectants to kill coronavirus, WHO advises

When disinfecting for your home, business, or school, be sure you or the company you hire are using proper protocols. Just spraying or applying disinfectant to the air or a surface is not effective. You must first wipe a surface clean of biofilms, then apply the disinfectant for the proprr dwell time. Read more here from the WHO.

https://www.cnn.com/world/live-news/coronavirus-pandemic-05-16-20-intl/h_0f2325d2b58893ae656ac8e522afad79