MSNBC MSNBC Live With Kendis Gibson and Lindsey Reiser February 28, 2021 13:00:00
Johnson & johnson's single-dose vaccine has a lower efficacy rate compared to pfizer and moderna's two-dose vaccines in terms of preventing you from contracting the virus, but it's highly effective and preventing serious cases of covid-19 and shown to completely prevent hospitalizations and death as soon as four weeks after an immunization. it's also easier to ship and store compared to pfizer and moderna vaccines. 4 million doses of the johnson & johnson vaccine are expected to start shipping tomorrow with the goal of 20 million doses being available by the end of march. and because needed, t...