Trump insists that there will be a vaccine against COVID-19 by the end of the year. Experts reiterate that it will be very difficult
5/15/2020, 10:10:56 PM
The vaccine that has been developed in the shortest time in the United States is the Ebola vaccine, which took four years. The president has said that the coronavirus will be by the end of the year. Achieving this could lead to risks unknown until now, says one of the experts.