a the biggest concern is how acan we really speed up this pipeline . a we know that a typical vaccine atakes years to develop. a the trial is still ongoing, awhat president says operation awork speed will bring the avaccine to hundreds of million of americans. athank you for joining us a tonight, im andre senior. And im Cristina Rendon on. The aspeed is what concerns som alocal health officials. aktvus Jana Katsuyama is here now awith the new goal. a reporter basically the president atoday was saying his agoal was to have a vaccine aready for mass distribution by athe end of the year. asome Health Experts are very aconcerned about both safety ana logistics of such a short atimeframe. President atrump announced the acoronavirus vaccine plan in th arose garden friday. a its called operation warp speed. a that means big and it means afast. a reporter the effort will b headaed out by the former chief of vaccines at pharmaceutical gint glaxosmithklaine. He says adata from at least one vacci