The medical industry’s dash to produce the world’s first coronavirus vaccines in just a few months is heightening the urgency for the workhorses of global trade to be ready for the historic charge to defeat the disease.

The global shipping industry sustained a second cyberattack within a week that’s raising concern about disruptions to supply chains already straining to move goods heading into the usual peak season for consumer demand.

COVID-19 is about to put the global trading system through its most dramatic stress test since World War II, with supply lines for essential food and medical goods entering a critical phase as the pandemic peaks in the U.S. and Europe.

Global trade in goods will likely stay weak in coming months as disruptions from coronavirus in China staunch the movement of international commerce already slowed by tariffs and uncertainty, according to the World Trade Organization.

The Cass Freight Index, a monthly measure of rail, trucking and airfreight volume, dropped 3% in August from a year earlier, the ninth consecutive month of declines.

Labor Day picnic products are just a sampling of the more than 3,200 categories of Chinese goods targeted for the new tariff starting Sept. 1, barring a last-minute flinch by President Donald Trump.

President Donald Trump decried China’s “massive” intervention to suppress the yuan, portraying the U.S. as the beneficiary of his tariffs on Chinese imports and signaling the policy isn’t pushing up domestic prices.

Global trade stumbled in April as the tariff war between the United States and China showed few signs of ending, figures released June 25 showed.