Panic and pollution drive the market for protective face masks, so business is booming in Asia, where fear of the virus from China is straining supplies and helping make mask-wearing the new normal.

Demand for face masks and hand sanitizing liquid has soared, as both local residents and visitors from China stock up on such products as a reassuring precaution.

Factories are rushing to boost production as the number of infections and deaths from the new virus first found in the central Chinese city of Wuhan climbs. In some parts of Asia, wearing of surgical masks has become mandatory, for now.