ABC News Turn on desktop notifications for breaking stories about interest? OffOn Phase 1 trials have begun in London for a new nasal vaccine. • 8 min read On Location: April 19, 2021 Catch up on the developing stories making headlines.J. Conrad Williams, Jr./Newsday via Getty Images, FILE LONDON -- Trials have begun in London for the next generation of COVID-19 vaccines with the first dose for a new nasal vaccine being developed by the U.S. company Codagenix having been administered at a quarantine facility in London, it was announced Monday morning. “This vaccine is one of the first of...