The Latest: US virus cases rising again, doubled in 3 weeks

              FILE - In this Aug. 23, 2019 file photo, Olivia Rodrigo attends the Disney+ press line at the 2019 D23 Expo in Anaheim, Calif. President Joe Biden is putting a dose of star power behind the administration’s efforts to get young people vaccinated against COVID-19. The White House says the 18-year-old actress, singer and songwriter will meet Wednesday, July 14, 2021, with Biden and Dr. Anthony Fauci, the president’s chief medical adviser. Rodrigo will also record videos about the importance of young people getting vaccinated.   (Photo by Richard Shotwell/Invision/AP, File)
            Syringes with the Pfizer COVID-19 vaccine are ready for use at a shopping mall in Paris, Tuesday, July 13, 2021. More than 1 million people in France made vaccine appointments in less than a day after the president cranked up pressure on everyone to get vaccinated to save summer vacation and the French economy. (AP Photo/Michel Euler) 
              People who came to get inoculated agains the coronavirus return following non availability of vaccine in New Delhi, India, Tuesday, July 13, 2021. (AP Photo/Manish Swarup)
              Dr. Ifeanyi Nsofor poses for a photograph at his office in Abuja, Nigeria, Monday, July 12, 2020. After Dr. Ifeanyi Nsofor and his wife were immunized with the AstraZeneca coronavirus vaccine in Nigeria, they assumed they would be free to travel this summer. They were wrong. Nsofor and his wife - and millions of others receiving vaccines through a U.N.-backed effort to distribute COVID-19 shots - are effectively banned from entering the European Union and other countries, which do not recognize the Indian-made version of the vaccine for travel. (AP Photo/ Gbemiga Olamikan)
              People wearing face masks pass by a poster about precautions against the coronavirus at a subway station in Seoul, South Korea, Tuesday, July 13, 2021. South Korea's streak of more than 1,000 daily coronavirus cases has reached a week as health authorities scramble to slow a viral surge that has brought Seoul's thriving nightlife to a standstill and professional baseball to a halt. The signs on posters read "Rules of using public transport." (AP Photo/Ahn Young-joon)
              German Chancellor Angela Merkel  speaks at a press conference following her visit to the Robert Koch Institute (RKI) in Berlin, Germany, Tuesday, July 13, 2021. Merkel visited the health ministry's leading institute in the Corona pandemic at the invitation of Health Minister Spahn. (Michael Kappeler/Pool via AP)
              FILE - In this Feb. 25, 2021 file photo, Vivek Murthy testifies before the Senate Health, Education, Labor, and Pensions committee on Capitol Hill in Washington. The nation’s top doctor says it’s “certainly possible” that Americans eventually will be advised to get a booster shot of the coronavirus vaccine. Surgeon General Murthy told CNN that no decision had been made yet after a meeting Monday, July 12 with Pfizer to discuss its request for approval of a third shot of its coronavirus vaccine. (Caroline Brehman/Pool via AP, File)
              President Joe Biden speaks during a meeting on reducing gun violence, in the Roosevelt Room of the White House, Monday, July 12, 2021, in Washington. Biden on Tuesday will lay out the “moral case” voting rights, delivering a much anticipated speech as he faces growing pressure from civil rights activists and other Democrats that the White House to combat efforts by Republican-led state legislatures to restrict access to the ballot.(AP Photo/Evan Vucci)
            A man receives a shot of the Sinovac vaccine for COVID-19 during a vaccination campaign in Jakarta, Indonesia, Monday, July 12, 2021. (AP Photo/Achmad Ibrahim) In this July 7, 2021, photo Georgia Gov. Brian Kemp speaks during an interview at his campaign office in Atlanta.  Kemp's office says it was surprised to hear federal officials were reevaluating its plan to overhaul how state residents buy health insurance under the Affordable Care Act. The director of Kemp's Office of Health Strategy and Coordination said in a recent letter that the move by the Biden administration suggests it wants to revisit the plan's approval, which he said is not allowed. (AP Photo/John Bazemore)