
The outbreak of the novel coronavirus is crashing global markets and affecting everything from air travel to the film industry to local businesses. Still, some companies stand to benefit somehow from this outbreak, which has now spread to scores of countries and infected more than 100,000 people. They include firms that sell deep-cleaning products, remote services like Peloton and Zoom, and, of course, the hand sanitizer company Purell.
But the sellers of some lesser-known products also seem to view the coronavirus as a unique business opportunity. These companies are pushing the idea that gadgets like air purifiers, …