The European Union quickly reversed a decision invoking an emergency provision of the Brexit deal that could have restricted exports of COVID-19 vaccines across the border between Ireland and Northern Ireland. Sean Gallup/AP hide caption
covid vaccines
Saturday
Monday
The FDA has learned of reports that some health care facilities are trying to stretch the number of limited doses by cutting them in half, extending the length of time between doses, or mixing and matching vaccines in order to immunize more people against COVID-19. Jeff Chiu/AP hide caption
Friday
Washington, D.C., Fire and EMS Lt. Keishea Jackson gets a Pfizer coronavirus vaccine shot on Thursday. Shawn Thew-Pool/Getty Images hide caption
Thursday
As governments around the world prepare to approve the first coronavirus vaccines, social media companies are cracking down on hoaxes and conspiracy theories. Ashley Landis/AP hide caption