Coronavirus April 5, 2021 10:18 am White House: 1 in 4 American Adults Now Fully Vaccinated In a White House briefing on Monday, the COVID-19 task force noted that nearly 1 in 3 Americans have at least one shot and that they’re seeing some peaks in cases among 18-24-year-olds. US & World Videos 1:58 Police investigating Graffiti Towers tightrope stunt 2:38 Mountain lion sighting in Griffith Park 2:41 Attack leaves woman brain dead, family demands justice 2:49 Glendora jewelry store heist investigation 3:13 Overcrowding crisis at LA animal shelters