The prospect of a vaccine to shield Americans from coronavirus infection emerged as a point of contention in the White House race as President Donald Trump accused Democrats of “disparaging” for political gain a vaccine he repeatedly has said could be available before the election.The prospect of a vaccine to shield Americans from coronavirus infection emerged as a point of contention in the White House race as President Donald Trump accused Democrats of “disparaging” for political gain a vaccine he repeatedly has said could be available before the election.
