Liquid hand sanitizers-mostly alcohol-based gels-have experienced an explosion in popularity over the last 10 years. If you’ve recently traveled by plane or set foot in a classroom in the US, chances are you’ve seen hand sanitizers in use.

TOKYO (AP) — Japan’s schools ready to cease for nearly a month and entertainers, topped by Okay-pop superstars BTS, canceled events as an outbreak epidemic extended its unfold thru Asia into Europe and on Friday, into sub-Saharan Africa.

The severe acute respiratory syndrome (SARS) that broke out in Guangdong in February 2003 and the Middle East respiratory syndrome (MERS) that broke out in Saudi Arabia in September 2012 were caused by SARS-CoV and MERS-CoV coronaviruses, respectively.