Coronavirus vaccines: `Encouraging` early data for some, a trial delay for another and more research ahead
(WorldNews Health)

Scientists around the world are racing to develop Covid-19 vaccines and there`s news almost daily about steps forward -- this week, there was `encouraging` preliminary data for some vaccine candidates and word from top health officials that the United States could be on track to have a vaccine by the end of the year. According to the World Health Organization, there are 18 candidate vaccines in clinical evaluation globally. Researchers at University of Oxford said this week they have vaccinated 8,000 people in the UK as part of a Phase 3 trial. Yet there are still major hurdles to jump and more work to be done. No vaccines have started their large Phase 3 trials in the United States. On...