Pfizer in Pact With U.S. for 100 Million Covid-19 Vaccine Doses

Jul.22 -- Global coronavirus cases have reached another milestone, topping 15 million infections. Hong Kong, Japan and California all reporting daily records. But there is some hope ahead as the U.S. seals a pact with Pfizer for a vaccine. Bloomberg’s Yvonne Man reports on “Bloomberg Markets: China Open.”