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A subject coughing in a cyclic incident. Top view of airborne droplet transmission with and without wearing a surgical mask. The top and bottom figures show the results at 4 s and 5 s, respectively. We consider a surgical mask that exhibits an initial efficiency of ～91%. The cover does not prevent the transport of the saliva droplets entirely away from the subject. Many droplets penetrate the mask shield and some saliva droplet disease-carrier particles can travel more than 1.2 m. For visualization, the droplets were scaled by a factor of 600 compared to their actual size. The environmental conditions are zero wind speed, ambient temperature 20 °C, pressure 1 atm, and relative humidity 50%. The mouth temperature is 34 °C, and the face skin temperature is 32 °C. 779

A motorcycling Santa in Tennessee took out his bike covered in Christmas decorations a few months early this year because of the COVID-19 pandemic."After 2020 rolled in, so many people became unhappy, the cheer level dropped, there is sadness, there's all kind of stuff happening that we sure don't need, but it's here," said AJ Wolf, Motorcycle Santa.Wolf, as Santa, with his decked-out motorcycle has been entertaining the Cross Plains area at Christmas-time for seven years.His wife, who he calls Mrs. Claus, encouraged him this month to take out his Harley Davidson adorned with antlers, 1,400 lights, and a sleigh. "She said 'honey, you need to go out get the reindeer bike and just go and wave to people and get the cheer up, spread some cheer honey, do it somehow,'" he said.He's taken the motorcycle to Walmart, driven it on the highway, and just a few doors down too, where a group of kids live."Here's the thing, we have so many little ones from the time they are able to walk, they want to run up and see Santa... even the parents they look at this and they get worse then kids get," he said.Motorcycle Santa added a new message to his bike this summer to bring extra cheer during the public health crisis."It says 'Santa putting cheer in gear and it all starts here' which is in a red heart," he said.WTVF's Hannah McDonald first reported this story. 1389

A senior administration official told pool reporters aboard Air Force One on Tuesday that President Donald Trump will be withdrawing some troops from Iraq. The official, who did not want to be identified according to White House pool reports, also said a further announcement would be coming soon involving troops in Afghanistan.Last week, ABC News reported that the Trump administration was planning on cutting the number of troops stationed in Iraq from 5,200 to 3,500.Last month, citing Defense Secretary Mark Esper, CNN reported the number of troops station in Afghanistan would drop from more than 8,000 to less than 5,000 by the end of the year.The US has maintained bases in the two countries since President George W. Bush’s first term. The US began operations in Afghanistan in the weeks following the attacks on America on Sept. 11, 2001. The US then began operations in Iraq in 2003, overthrowing the Iraqi government led by Saddam Hussein. 959

A small business in Brooklyn is taking on Congress, lobbying for insurance coverage for future pandemics. While not an easy battle, the National Retail Federation says these conversations have to be had now in order to keep retailers open.Ann Cantrell, speaking in front of the US House Financial Services Committee, said, "The past few months have been the darkest of my life.”The owner of "Annie's Blue Ribbon General Store" in Brooklyn said it's time for real solutions."Insurance companies should not be in the practice of denying policy holders coverage when they need it the most. What happened to 'you're in good hands' or 'like a good neighbor,' Cantrell said.Speaking on behalf of the National Retail Federation, Cantrell pleaded her case, saying, "We are a community store and people look to us as a pillar of light and hope in the neighborhood. Kids meet their friends at the shop to pick out a gift for their teacher, parents bribe their kids with a treat if they get a shot at the doctor or reward them if they get a good report card."The pandemic, she said, nearly shut her business down. She said she pays ,000 a year for what she calls "all risk" insurance. She was under the impression there was no risk that wouldn't be covered.“When we (were) closed by the governor (New York’s Andrew Cuomo), literally the government shut us down,” Cantrell said. “I put in another call, each time saying that viruses were not covered under business interruption insurance.”The National Retail Federation said Cantrell is a voice for retailers everywhere. And while it was able to get a hearing, the organization says many insurance companies aren't on board.“What they’re saying is this will not be isolated to one area, this seems to be unending and keeps going on and on and on so they’re afraid it’ll cost trillions of dollars,” said Leon Buck, the National Retail Federation’s vice president of banking and financial services. “But what we’re saying is we don’t think so. We think if we’re paying into the fund and the federal government has money, the insurance companies will be fine."“If we were in a COVID-21, for instance, if this happened again, maybe another virus, the business would be protected,” Buck added. “They’d file a claim with their insurance carrier whom they pay monthly premiums to and the federal government would help pick up the tab.”As for Cantrell, who has loved general stores since she was a kid, this is about speaking up because someone has to.“It's not just small companies like mine, it’s big companies. No one is covered under business interruption insurance,” Cantrell said.Luckily, she said she built a good website and the holidays and her Paycheck Protection Program loan will carry her through. She hopes the next Congress will take up the issue. In the meantime, she reminds everyone to shop small. 2855

A Tucson, Arizona 6-year-old invited 32 of his classmates to a pizza party for his birthday over the weekend... and no one showed up.Teddy's party was held at a Peter Piper Pizza restaurant in Tucson on Sunday afternoon.Sil Mazzini, Teddy's mom, said that 32 invitations were sent out, inviting the kindergartner's classmates and their parents to join him for celebrations at the restaurant. But no one came."I'm done with parties for a while," Mazzini joked following the sad weekend showing.The family plans to celebrate Teddy's birthday Monday night by reading well wishes shared with the family after Mazzini's photos from the party were posted by a Tucson reporter and picked up by other Arizona outlets.Social media was flooded with messages of support, and the Phoenix Suns have invited Teddy to watch Wednesday's game against the Lakers.  889