25 November 2020 - Some trial participants only got a partial dose of AstraZeneca’s vaccine. Experts said the company’s spotty disclosures have eroded confidence.
The announcement this week that a cheap, easy-to-make coronavirus vaccine appeared to be up to 90 percent effective was greeted with jubilation. “Get yourself a vaccaccino,” a British tabloid celebrated, noting that the vaccine, developed by AstraZeneca and the University of Oxford, costs less than a cup of coffee.