| | The state of Florida on Friday asked the U.S. Supreme Court to allow a lower-court decision to take effect that said the U.S. Centers for Disease Control and Prevention (CDC) could not enforce its coronavirus cruise ship rules in the state. | | | COVID-19 hospitalizations in Mexico City and its suburbs, home to some 21 million people, increased by a third in the last week, authorities said on Friday, amid a third wave of the coronavirus pandemic. | | | Chilean authorities said on Friday that China's Sinovac had begun evaluating potential sites for the construction of a vaccine plant in Chile that could begin producing doses of the Chinese shot as early as the first half of 2022. | | | The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19. | | | The U.S. purchased 200 million more doses of the Pfizer/BioNTech (PFE.N), vaccine for flexibility if booster shots are later needed and the shots are approved for younger children, the White House said on Friday. | | | Vaccinated individuals accounted for three-quarters of Singapore's COVID-19 infections in the last four weeks, but they were not falling seriously ill, government data showed, as a rapid ramp-up in inoculations leaves fewer people unvaccinated. | | | Turkey's new coronavirus cases climbed above 10,000 for the first time since mid-May on Friday and hit a level of 11,094, according to health ministry data which also showed 60 people died due to COVID-19. | | | Spaniards who took one of the biggest hits from COVID-19 at the start of the pandemic are now among some of the keenest when it comes to getting vaccines, figures show. | | | A dispute over blood tests has raised questions about an Italian study that suggested the coronavirus was circulating outside China much earlier than expected, highlighting the challenges of trying to determine when the virus emerged. | | | Americans watched more TV last year, played more computer games, thought and read a bit more, caught up on a little sleep and on average spent an extra hour each day alone and two additional hours wrangling or educating their kids. | | | | |