US President Donald Trump speaks in Omaha, Nebraska, the last leg of his three-state tour of the Midwest, promising to deliver "record prosperity, epic job growth and a safe vaccine".
Earlier this week executives from phamaceutical giant Pfizer expressed measured optimism over the prospect of providing a coronavirus vaccine in 2020, but conceded that the company still had not reached key benchmarks in assessing vaccine efficacy. SOUNDBITEN°8TZ6XP