. >> if you are asking me when it is genererally going to be avavailable to t the american pc so we can begin to take advantage of vaccine to get back to our regegular life, i think we'rere probablbly lookining ate second quarter, third quarter 2021. amy: president trump lashed out i dr. redfield, telling reporters in the white house press briefing room that the top u.s. public health official misspoke. pres. trump: i think he made a mistake when he said that. it is incorrect information. i called him and he did not tell me that and i think he got the message may be confused. amy: trump also contradicted the redfield overr. masks, saying a vaccine would be much more effective than facial coverings at stopping the spread of the coronavirus. his comment came after dr. redfield estimated a potential coronavis vaccine might lyly be 7 e effecve a at neratiti an imme e respse, , mang widespreadasask uscrititic to ending the pandedemic in the future. >> these face masks are the most powerful public tool we have. i will continue to appeal for all americans, all individuals in our country, to em