CDC Director Mandy Cohen says she expects another version of the Covid-19 vaccine this fall.
She says the virus keeps on changing and the process is underway to update the shot.
She speaks to Bloomberg's Riley Griffin in Washington.
CDC Director Mandy Cohen says she expects another version of the Covid-19 vaccine this fall.
She says the virus keeps on changing and the process is underway to update the shot.
She speaks to Bloomberg's Riley Griffin in Washington.