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In a few weeks, thousands of college students will begin their yearly right of fall by returning to the campus of Tufts University in Medford, Massachusetts, but a return to campus life this year will mean testing and quarantining for those students who chose to come back.Like colleges and universities across the country, Tufts is experimenting with a new plan that will allow more than 5,000 students to come back to campus while at the same time, instituting rigorous new guidelines in an effort to keep COVID-19 from spreading.The key to success, testing.“We wanted to test for COVID at a frequency that would catch people when they’re asymptomatic before they have a chance to spread,” explained Tuft’s President Anthony Monaco.Tufts plan for the fall is as complex as the virus itself. Students from outside the Northeast will be brought back to campus first, where they will be forced to quarantine for 14 days. Health officials expect at least a small portion of those students to test positive for COVID-19 the moment they step back on campus. Because of that, the university has constructed an extra 200 modular units of dorm space. The idea of the modular facilities is to give campus health officials a contained area to monitor students who test positive for the virus, while at the same time, keeping them out of the general population.After students from outside the Northeast are brought back to campus, students from the general area around New England will return.Every single student will be tested twice a week for COVID-19, something experts say will be a key component to safely reopening college campuses this fall. Regardless, school officials expect students to test positive for the virus throughout the fall.Researchers at Yale’s School of Public Health have been advising Tufts and hundreds of other colleges who are planning to resume some form of in-person learning this fall.“If we don’t test frequently, we give silent spreaders an opportunity to grab hold and this virus is hard to play catch-up with,” explained Professor A. David Paltiel, who recently published a study on how quickly the virus can spread through colleges if left unchecked.To study the virus, Paltiel and his colleagues used epidemic modeling to assemble hypothetical situations resembling a college campus. The study found that if you take 5,000 healthy students and add in only 10 students who have COVID-19, hundreds, if not thousands, of kids will be sick by Thanksgiving.“At that point, the only thing that keeps the virus from getting out of control is Thanksgiving break,” he said.That is why testing is key, the study found. When Paltiel took those same 5,000 kids and added in 10 students who have COVID-10, but tested every student twice a week, the study found that only about 100 students ended up catching COVID.“Many universities are planning to only test students who have symptoms, in our view that is a recipe for disaster,” he said.Only adding to the uncertainty of the situation, about 40 percent of college students said they would return to live near campus even if classes were held virtually. Paltiel and other health officials say because of that, it’s more beneficial to have students on-campus where they can be monitored and tested frequently.“It’s hard and it could be a nightmare, people who say we shouldn’t open campuses should remember the nightmare doesn’t go away,” he said. 3420

Hurricane Michael's death toll climbed to 18 Saturday, after another victim was discovered in Virginia.Fears were mounting for those who did not heed evacuation orders before Hurricane Michael bulldozed large swaths of Florida's Panhandle, and residents in the hardest-hit areas grew increasingly desperate for provisions.Three days after the monster storm, with rescue workers cutting through hulking debris piles in search of survivors, residents formed long lines outside fire stations, schools and Salvation Army food trucks to collect bottled water and ready-to-eat meals (MREs)."It's about to get stupid if people don't get food and water," Panama City Assistant Fire Chief Gary Swearingen said Saturday.Some have already resorted to looting, according to CNN affiliate WEAR-TV, because of the lack of resources such as water, electricity and food. 862

IMPERIAL BEACH, Calif. –  A former United States border patrol agent says he nearly lost his arm in 2010 after training in Silver Strand Waters in southern California.Joshua Willey says he contracted flesh-eating bacteria.“I just remember my arm was extremely swollen like I wanna say the size of a volleyball maybe, “ Willey said. “My family and I were told that I might have to have my arm amputated and that was hard to hear.”Willey joined the group, “Citizens against Sewage” Friday afternoon to demand action against the ongoing problem.President Trump is scheduled to visit San Diego next week to look at the border wall prototypes, and the group wants him to take a tour of the Tijuana River Valley and view the extensive sewage issues."Citizens against Sewage" also called for the commissioner of the U.S. International Boundary and Water Commission (IBWC) to resign or be reassigned for what they claim is a lack of action on the matter:IBWC sent the following statement to Scripps station KGTV in San Diego:"Our thoughts and prayers are with the Agent and his family. We have successfully pressed Mexico into taking emergency actions and that as a result fugitive illicit discharges are being intercepted.Mexico has told us and we are verifying that they are indeed taking steps to stop sewage from crossing the border. Commissioner Drusina will work until otherwise notified by the Administration." 1452

How do astronauts go to the bathroom? It’s a question children have wondered for years, and now NASA wants help creating a better way.In a statement posted on their website, NASA is calling on the entire world to submit design concepts for compact toilets that can operate in both microgravity and lunar gravity.NASA is preparing to return to the Moon by 2024 as part of project Artemis, and as they upgrade other aspects of the flight, they are seeking new ideas for toilet facilities when astronauts are in the cabin and out of their spacesuits.Specially-designed toilets exist on the International Space Station already, however according to NASA, they were designed for microgravity only.NASA and HeroX are offering financial and merchandise rewards for winning design concepts in this Lunar Loo contest.Details about how to enter the contest can be found here. 873

HOUSTON (AP) — Mourners in George Floyd’s hometown of Houston will be able to view his casket as the series of memorials in his honor reach their final stop.A six-hour public viewing will be held from 12 to 6 p.m. CT Monday at Fountain of Praise on the city’s southwest side.Visitors must wear a mask and gloves to comply with coronavirus-related guidelines.Floyd’s funeral and burial will be Tuesday. That service is set to start at 11 a.m. CT at the same Houston church. Due to social distancing guidelines, it will be limited to 500 people, which will include family and close friends.Floyd died May 25 after a Minneapolis police officer pressed his knee into his neck for several minutes even after he stopped responding.Floyd’s death has inspired international protests and drawn new attention to the treatment of African Americans by police. 855

来源：资阳报