MSNBC Katy Tur Reports February 11, 2022 19:57:00
Covid. in other words, coming into hospital infected with covid-19 even though that's not really the reason they're coming in. the numbers are definitely dropping dramatically in philadelphia. >> to go back to the pfizer delay, it is about effectiveness or is it about safety here? is it that the vaccine wasn't safe or was it about the vaccine not yet being proven to be effective? >> i think it's just not having all the data yet. this was always going to be a vaccine. so why approve it as a two dose vaccine when you know there is a third dose out there? you don't know about the safety or effica...