Masayoshi Son has been among the most fervent believers in the sharing economy, investing billions in startups that help people split the use of cars, rooms and offices.

But as the coronavirus curtails unnecessary human interaction, it’s hammering such businesses and rattling the foundations of Son’s SoftBank Group Corp.

In New York City, the co-working space of SoftBank-backed WeWork stands practically empty as tenants stay home over fears of infection. In Shanghai, drivers for the ride-hailing service Didi Chuxing have seen their pay plummet as customers avoid shared automobiles.