Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. EU Near Deal with Moderna on Coronavirus Vaccine VOA News European Commission President Ursula Von der Leyen announced Tuesday the European Union has reached a deal with U.S. biotech company Moderna for 160 million doses of its coronavirus vaccine candidate. Last week, Moderna said interim data from late-stage clinical trials of its experimental vaccine showed it to be 94.5 percent effective in preventing COVID-19, the disease caused by the coronavirus. .