(CNN) The United States is seeing a large decline in new Covid-19 cases -- but there's a major caveat. Several states impacted by winter storms are seeing large declines in new cases this week, per Johns Hopkins data, including Texas, where cases are down 56% compared to last week. At Friday's White House briefing, Slavitt said there was a back log of about 6 million doses impacting all 50 states. Vaccine studies continue for more groupsFauci said Friday the US should have vaccine safety data for high school-age youths by the beginning of the fall, though data for younger children will probably not be available until next year. "However, we anticipate data on high school age individuals, namely individuals 12 years old to 17 years old, by the beginning of the fall," Fauci said.

Source: The Nation February 19, 2021 21:00 UTC