China’s Covid-19 pandemic lockdowns have led to a shortage of a dye widely used in medical scans, prompting U.S. hospitals including the Mayo Clinic to ration supplies, postpone procedures or…

HONG KONG—China’s economy descended deeper into a Covid-19-induced doldrums last month, raising questions about whether Beijing’s planned stimulus measures can prevent a prolonged downturn. Consumer spending and factory output tumbled…

GANGHWA, South Korea—North Korea reported its biggest daily surge in fever cases during a nationwide outbreak of Covid-19 but didn’t respond to a South Korean offer of vaccines even as…

WASHINGTON—As war and the pandemic expose the fragility of supply chains, the U.S. and its allies are pursuing a new kind of global trade, one that confines commerce to a…

HONG KONG—Shanghai officials outlined plans for a phased reopening of shopping malls, supermarkets and other businesses, even as many residents in China’s financial hub remained confined to their locked-down homes.…

More than two years of border restrictions and a protracted lockdown of Shanghai are prompting some Chinese citizens to contemplate emigration, a prospect once unthinkable for many of them. The…

WELLINGTON, New Zealand—New Zealand Prime Minister Jacinda Ardern, who championed a zero Covid-19 strategy from early in the pandemic, has tested positive for the virus and will stay at home…

Foxconn Technology Group, the world’s biggest iPhone assembler, said it faces logistics disruptions and other challenges in China stemming from the country’s stringent Covid-19 control measures. Most of Foxconn’s factories…

SEOUL—North Korea reported its first death from a Covid-19 outbreak that it said for the first time had rapidly spread throughout the country. More than 350,000 people contracted a fever…

SEOUL—North Korea, which hasn’t vaccinated its population, imposed a lockdown in all its major cities after it reported its first local case of Covid-19 more than two years after the…