by Issam AHMED WASHINGTON, United States (AFP) — The United States’ top infectious disease scientist on Monday hailed early results from Moderna’s Covid-19 vaccine trial as “stunningly impressive,” calling the findings an emphatic validation of experimental mRNA technology that some had doubted. “I must admit that I would have been satisfied with 70 or at the most 75 percent efficacy,” he told AFP. “The idea that we have a 94.5 percent effective vaccine is stunningly […]