Elaine Kurtenbach

AP Business Writer

More from Elaine Kurtenbach

Visitors wear masks at the Singapore Airshow in Singapore Tuesday, Feb. 11, 2020. Singapore's air show began Tuesday with the usual ribbon cutting and displays of aerial prowess, but also with less typical warnings to industry and military figures attending to avoid handshakes and other close contact to avoid spreading a virus that has sickened tens of thousands of people.

Singapore Air Show Opens

Many attendees just carried on as usual after submitting to multiple temperature checks on their way to the venue.

Hospital staff stand outside the emergency entrance of Wuhan Medical Treatment Center, where some infected with a new virus are being treated, in Wuhan, China, Wednesday, Jan. 22, 2020. The number of cases of a new coronavirus from Wuhan has risen to over 400 in China health authorities said Wednesday.

Virus Outbreak May Wallop Economy

The 2003 SARS crisis caused $40 billion to $50 billion in losses from reduced travel and spending.

In this Thursday, Nov. 28, 2019, photo, trucks load containers at the automated container dockyard in Qingdao in east China's Shandong province. A Chinese official newspaper has reiterated, repeatedly, Beijing's demand that the U.S. roll back tariffs imposed by President Donald Trump's administration in exchange for a deal. The Communist Party newspaper Global Times ran several articles Monday, Dec. 2, 2019 that emphasized there would be no deal without a promise to phase out the tariffs imposed by Washington.

China Urges Rollback of US Tariffs

New U.S. tariffs are set to kick in on many Chinese-made products, including laptops and smartphones, as of Dec. 15. A preliminary deal could avert that.