A third COVID-19 vaccine could receive emergency use authorization from the Food and Drug Administration this month. The vaccine made by Johnson & Johnson is 66% effective in preventing moderate to severe disease, according to a global study. Combined with the two vaccines currently in circulation, the U.S. could have three vaccines that are all highly effective at preventing death or hospitalization due to COVID-19.Despite that promising news, NPR's Richard Harris reports on why the journey to herd immunity still won't be easy.And Rae Ellen Bichelle goes inside a Colorado long-term care facility that has vaccinated nearly all of its residents. They say the initial steps to a return to normalcy feel great.Additional reporting in this episode on the spread of coronavirus variants from NPR's Allison Aubrey.In participating regions, you'll also hear a local news segment that will help you make sense of what's going on in your community.Email us at considerthis@npr.org.