Here's what has to happen before the Johnson & Johnson vaccine will be available
From CNN's Jacqueline Howard and Jen Christensen
This file photo provided by Johnson & Johnson shows vials of the Janssen COVID-19 vaccine in the United States, on December 2, 2020. Johnson & Johnson via AP
Johnson & Johnson says that it has four million doses of its Covid-19 vaccine ready to ship "immediately" once it receives emergency use authorization, which could happen this week.
In an analysis just released, the US Food and Drug Administration said the company's single-dose vaccine has met the requirements for emergency use authorization.
However, despite the excitement and anticipation, there are still several steps Johnson & Johnson has to go through before the vaccine will be available.