Summer may decide fate of leading shots in vaccine race
June 28, 2020
People on six continents already are getting jabs in the arm as the race for a COVID-19 vaccine enters a defining summer, with even bigger studies poised to prove if any shot really works -- and maybe offer a reality check.
Already British and Chinese researchers are chasing the coronavirus beyond their borders, testing potential vaccines in Brazil and the United Arab Emirates because there are too few new infections at home to get clear answers.
The U.S. is set to open the largest trials -- 30,000 people to test a government-created shot starting in July, followed about a month later with ano...
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