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发布时间: 2025-06-06 07:51:55北京青年报社官方账号
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Two rural town school districts in the United States were shut down early for the Thanksgiving holiday weekend due to a fast-spreading stomach virus causing an abnormally high number of absences.Mesa County Valley School District officials in Grand Junction, Colorado, closed the school district to decontaminate November 20, the Wednesday before the week of Thanksgiving. A high number of students were increasingly calling out sick due to an illness going around. “Before the school district shut down, we were aware of at least 13 schools within (Mesa County Valley) School District 51 that had increased absenteeism levels due to illness and that number was growing,” district officials said on a Facebook live video, addressing the problem. “What we’re suspecting at this time is it’s very much acting like a norovirus.”On November 25, Greater Albany Public Schools in Albany, Oregon, announced a district-wide closure for similar reasons — norovirus was going around causing high levels of absences.“It spreads really like wildfire through a community,” said Dr. Chris Nyquist, the medical director of infection prevention and control at Children’s Hospital Colorado. “I think norovirus is one of those viruses that comes up in wintertime often when you have small communities, thinking about schools, where a lot of kids are together. It’s very contagious, spreads quickly.”Norovirus symptoms include vomiting, diarrhea and nausea that can last days.“The best method that these schools have done, in conjunction with talking to their health department, is to really shut down and do extensive cleaning,” Nyquist said.Norovirus can transfer easily through close contact, and symptoms start as soon as two hours later. In small communities like Grand Junction or Albany, an outbreak like this can have a large impact.“The thing that’s really special and unique about rural Colorado is that schools are often time the hub of the community,” said Elaine Belansky, the executive director for the Center for Rural Health and Education at the University of Denver. “They don’t have that many boots on the ground to address big challenges like this.”But those communities are doing what they can to stop illness from spreading just as the holidays begin. Mesa County Valley School District posted a video of the decontamination process in one of their classrooms to Facebook to show the efforts being done.As for prevention, Nyquist said the best thing to do is to wash your hands with soap and water. 2512

  朔州皮肤局部浸润麻醉训练模块   

Watch live: Tune into a live stream of the debate in the video player below. Setting the stageThe first Democratic Party debate for the 2020 election cycle will include a record 20 participants with 10 candidates on stage at once. The debate will be divided between two nights - this Wednesday and Thursday. The debate will be aired on NBC, MSNBC and Telemundo from 9-11 p.m. ET both nights. The debate will be moderated by Savannah Guthrie, Lester Holt, Chuck Todd, Rachel Maddow and José Diaz-Balart. The rulesCandidates will have to talk fast as each candidate will only get 60 seconds to respond to each question and 30 seconds for follow-ups, according to NBC News. The candidates will not be afforded an opening statement, but will be allowed to deliver a closing statement. The candidatesThe Democratic National Committee used both polling and fundraising criteria to extend invitations to this week’s debate. Candidates needed to either have 65,000 donors or have at least 1 percent of the vote in a series of polls. The qualifying candidates were then split into two groups based on polling numbers. From there, the candidates were randomly picked for the two nights. Here is the lineup for Wednesday’s half of the debate: Sen. Cory Booker of New JerseySen. Elizabeth Warren of MassachusettsFormer Rep. Beto O'Rourke of TexasSen. Amy Klobuchar of MinnesotaFormer Rep. John Delaney of MarylandRep. Tulsi Gabbard of HawaiiFormer Housing Secretary Julián CastroRep. Tim Ryan of OhioNew York City Mayor Bill de BlasioWashington Gov. Jay InsleeHere is the lineup for Thursday’s half of the debate:Sen. Bernie Sanders of VermontSen. Kamala Harris of CaliforniaFormer Vice President Joe BidenMayor Pete Buttigieg of South Bend, IndianaSen. Michael Bennet of ColoradoAuthor Marianne WilliamsonRep. Eric Swalwell of CaliforniaSen. Kirsten Gillibrand of New YorkEntrepreneur Andrew YangGov. John Hickenlooper of Colorado.Why such a large field? One reason is many Democrats see an opportunity to win in 2020 with Trump’s disapproval rating consistently above 50 percent, according to Gallup. A second reason is that the DNC has changed its nominating rules, taking power away from so-called “Super Delegates” and allowing the primaries and caucuses to solely decide the party’s nominee. Isn’t this early for a debate?While the Democrats did not hold their first debate until 13 months before the general election in 2016 (there are still 16 months between now and the 2020 general election), that was relatively late. In 2008, the Democrats held their first debate more than 18 months before the general election. The Republicans held their first debate in 2016 less than 15 months before the election. In 2012, the GOP had its first debate 18 months out from the general election. In that case, it might have been a case of being too early. The May 2012 debate did not draw eventual nominee Mitt Romney to the stage. What the polls say?Like the Republicans in 2016, the Democrats have such a large field, all of the candidates could not fit on one stage. Unlike the Republicans, the Democrats opted to divide candidates between two debates at random rather than holding an “undercard” debate. But if polling is any indication, Thursday has the stronger candidates. Four of the top five candidates will be on the stage on Thursday, according to last week’s poll released by Mammoth University. Frontrunner Joe Biden along with Sen. Kamala Harris, Sen. Bernie Sanders and Mayor Pete Buttigieg will share a stage Thursday. Sen. Elizabeth Warren is the only candidate among the top 5 who will be on stage Wednesday. What will be discussed?President Donald Trump, obviously. A Mommouth University poll from February showed that electability is a strong consideration for Democrats. Of those surveyed, 56 percent of Democrats said that they would prefer a candidate who could beat Trump rather than a candidate they would agree with. Just 33 percent said the opposite. With that in mind, it is safe to say some candidates will go after Trump rather than trying to win points with policy. That doesn’t mean Democrats on the stage won’t be challenged. Will Biden be challenged on his comments about working with senators who supported segregation? Will Buttigieg be asked about his handling of a recent police-involved shooting in South Bend, Ind? What about Sanders’ plan to erase student loan debt in the US? These are all likely questions to come up. When are the primaries and caucuses?The first caucus is in Iowa on February 3. The first primary is eight days later. Arguably the most important day will be March 3 when at least 14 states are slated to vote. 4668

  朔州皮肤局部浸润麻醉训练模块   

Uber passengers could lose access to the ride-hailing app if their rating is too low.On Wednesday, the company said in a blog post it will start to boot riders with a "significantly below average rating," starting in the US and Canada.The post was light on details, including what rating will qualify riders to be considered for deactivation. But an Uber spokesperson told CNN Business the rating will vary by city. Riders at risk for deactivation will get several notifications and chances to improve their rating before being kicked off.If riders lose access to their Uber account, they also won't be able to access the Uber Eats app or its e-scooter Jump app, according to the spokesperson."Respect is a two-way street, and so is accountability. Drivers have long been expected to meet a minimum rating threshold which can vary city to city," Kate Parker, Uber's head of safety brand and initiatives, wrote in a 927

  

US tennis star Mike Bryan has been fined ,000 for pretending to shoot an on-court line judge with his racket at the US Open Sunday.The doubles player was initially handed a code violation for unsportsmanlike conduct by chair umpire Mariana Alves during his second-round win with brother Bob against Federico Delbonis and Roberto Carballés Baena.Bryan had successfully challenged the line judge's decision after replays on the big screen showed the ball had landed narrowly behind the baseline.After the call was corrected, Bryan mimicked a rifle with his racket and aimed it at the line judge in question.'Meant to be playful'The incident came on the same day that a series of new firearm laws went into effect in Texas just hours after a shooting left seven people dead in the western part of the state.The new gun laws will further loosen gun restrictions in a state that's had four of the 10 deadliest mass shootings in modern US history, including the El Paso shooting last month, when a gunman stormed a Walmart and killed 22 people.The six-time US Open doubles champion later apologized for his actions, saying it was an honest mistake."We won the point and the gesture was meant to be playful," Bryan said in a statement given to the 1255

  

Welsh singer Duffy says she took a decade-long break from the spotlight after being “raped and drugged and held captive over some days.”The Grammy-winner, who’s known for her 187

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