Federal health officials sounded an alarm Friday about a surge in U.S. coronavirus infections fueled by the twin threats posed by the highly transmissible delta variant and a stagnation in efforts to vaccinate as many Americans as possible. Support our journalism....
arrow-right During a White House briefing, Rochelle Walensky, director of the Centers for Disease Control and Prevention, said the seven-day average of coronavirus infections soared nearly 70 percent in just one week, to about 26,
政治
华盛顿邮报-政治
2021-07-21 00:00:00.0
