During the final night of the Republican National Convention, President Donald Trump, speaking on the White House lawn in front of a large, mostly unmasked audience, said his administration will have a vaccine against COVID-19 within the next 4 months."We are delivering life-saving therapies, and will produce a vaccine before the end of the year, or maybe even sooner," Trump said during his acceptance speech as the party's incumbent nominee.The claim comes despite the fact that no major vaccine candidate has completed clinical trials, and it was followed today with the news that two senior public relations experts working with the Food and Drug Administration (FDA) have been fired after Trump and the head of the FDA exaggerated the benefits