HONG KONG, China (AFP) — Asian equity and oil traders were sent running Tuesday after the head of Moderna warned current coronavirus vaccines might be less effective at fending off the Omicron variant, fuelling fears that countries could be forced back into economically painful lockdowns. Stocks had mostly been edging up after a two-day sell-off that followed news Friday of the new variant, which some observers said was overdone as billions of people have […]