US coronavirus: More than 1 in 4 US adults are fully vaccinated against Covid-19

While more than 66 million people have received two doses, more than a third of Americans — or 112 million — have received at least one dose, according to data published Thursday by the US Centers for Disease Control and Prevention.

Officials and experts hope to get Americans vaccinated quickly as lockdown fatigue takes its toll and many people are letting down their guard just as more transmissible, and perhaps more deadly, variants of the virus become dominant. In that effort, all 50 states have committed to opening vaccinations to all Americans 16 and up by April 19.

“It’s almost a…