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发布时间: 2025-05-25 08:43:46北京青年报社官方账号
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  济南衣原体原因   

Laboratories across the U.S. are buckling under a surge of coronavirus tests, creating long processing delays that experts say are undercutting the pandemic response.With the U.S. tally of confirmed infections at nearly 4 million Wednesday and new cases surging, the bottlenecks are creating problems for workers kept off the job while awaiting results, nursing homes struggling to keep the virus out and for the labs themselves as they deal with a crushing workload.Some labs are taking weeks to return COVID-19 results, exacerbating fears that people without symptoms could be spreading the virus if they don’t isolate while they wait.“There’s been this obsession with, ‘How many tests are we doing per day?’” said Dr. Tom Frieden, former director of the Centers for Disease Control and Prevention. “The question is how many tests are being done with results coming back within a day, where the individual tested is promptly isolated and their contacts are promptly warned.”Frieden and other public health experts have called on states to publicly report testing turnaround times, calling it an essential metric to measure progress against the virus.The testing lags in the U.S. come as the number of people confirmed to be infected worldwide passed a staggering 15 million, according to data compiled by Johns Hopkins University. The U.S. leads the world in cases as well as deaths, which have exceeded 142,000.New York, once by far the U.S. leader in infections, has been surpassed by California, though that is partly due to robust testing in a state with more than twice the population of New York.Guidelines issued by the CDC recommend that states lifting virus restrictions have a testing turnaround time of under four days. The agency recently issued new recommendations against retesting most COVID-19 patients to confirm they have recovered.“It’s clogging up the system,” Adm. Brett Giroir, assistant health secretary, told reporters last week.Zachrey Warner knows it all too well.The 30-year-old waiter from Columbus, Ohio, was sent home from work on July 5 with a high fever a few days after he began feeling ill. He went for a test five days later at the request of his employer.Almost two weeks and one missed pay period later, he finally got his answer Wednesday: negative.Though Warner said most symptoms — including fever, diarrhea, chest tightness and body aches — stopped a few days after he was tested, he wasn’t allowed to return to work without the result.It was “frustrating that I’ve missed so much work due to testing taking forever,” Warner said. “It is what it is ... (but) I’m glad I’m negative and happy to be able to get back to work this week.”Beyond the economic hurt the testing lags can cause, they pose major health risks, too.In Florida, which reported 9,785 new cases and a rise in the death toll to nearly 5,500, nursing homes have been under an order to test all employees every two weeks. But long delays for results have some questioning the point.Jay Solomon, CEO of Aviva in Sarasota, a senior community with a nursing home and assisted living facility, said results were taking up to 10 days to come back.“It’s almost like, what are we accomplishing in that time?” Solomon said. “If that person is not quarantined in that 7-10 days, are they spreading without realizing it?”Test results that come back after two or three days are nearly worthless, many health experts say, because by then the window for tracing the person’s contacts to prevent additional infections has essentially closed.“The turnaround times, particularly across the South are too long,” Dr. Deborah Birx of the White House coronavirus task force said on Fox.Birx said the U.S. had shorter turnaround times in April, May and early June, but that “this surge and this degree of cases is so widespread compared to previously,” she said.Dr. Leana Wen, a public health professor at George Washington University said it’s reasonable to tell people awaiting test results to isolate for 24 hours, but the delays have been unacceptable.“Imagine you tell a parent with young children to self-isolate for 10 days or more without knowing they actually have COVID? I mean, that’s ridiculous. That’s actually absurd,” Wen said.U.S. officials have recently called for ramping up screening to include seemingly healthy Americans who may be unknowingly spreading the disease in their communities. But Quest Diagnostics, one of the nation’s largest testing chains, said it can’t keep up with demand and most patients will face waits of a week or longer for results.Quest has urged health care providers to cut down on tests from low-priority individuals, such as those without symptoms or any contact with someone who has tested positive.As testing has expanded, so have mask orders and other measures aimed at keeping infections down. Ohio, Indiana, Minnesota and Oregon became the latest to announce statewide mandatory mask orders Wednesday.The U.S. is testing over 700,000 people per day, up from less than 100,000 in March. Trump administration officials point out that roughly half of U.S. tests are performed on rapid systems that give results in about 15 minutes or in hospitals, which typically process tests in about 24 hours. But last month, that still left some 9 million tests going through laboratories, which have been plagued by limited chemicals, machines and kits to develop COVID-19 tests.There is no scientific consensus on the rate of testing needed to control the virus in the U.S., but experts have recommended for months that the U.S. test at least 1 million to 3 million people daily.Health experts assembled by the Rockefeller Foundation said last week that the U.S. should scale up to testing 30 million Americans per week by the fall, when school reopenings and flu season are expected to further exacerbate the virus’s spread. The group acknowledged that will not be possible with the lab-based testing system.The National Institutes of Health has set up a “shark tank” competition to quickly identify promising rapid tests and has received more than 600 applications. The goal is to have new testing options in mass production by the fall.Until then, the backbone of U.S. testing remains at several hundred labs with high-capacity machines capable of processing thousands of samples per day. Many say they could be processing far more tests if not for global shortages of testing chemicals and other materials.Dr. Bobbi Pritt of the Mayo Clinic in Rochester, Minnesota, says the hospital’s machines are running at just 20% capacity. Lab technicians run seven different COVID-19 testing formats, switching back and forth depending on the availability of supplies.At Emory University Hospital in Atlanta, lab workers lobby testing manufacturers on a weekly basis to provide more kits, chemicals and other materials.“There’s no planning ahead, we just do as many as we can and cross our fingers that we’ll get more,” said Dr. Colleen Kraft, who heads the hospital’s testing lab.___This story has been corrected to show that the CDC has issued guidelines recommending against repeat testing for patients recovering from coronavirus.___Webber reported from Fenton, Michigan, and Sedensky reported from Philadelphia. Associated Press writers Kelli Kennedy in Fort Lauderdale, Florida, Michelle R. Smith in Providence, Rhode Island, and Medical Writer Mike Stobbe in New York contributed to this report.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 7624

  济南衣原体原因   

LEMON GROVE, Calif. (KGTV) - Supporters of a sales tax increase in Lemon Grove plan to gather signatures for the final time this weekend in hopes of qualifying a ballot measure that they say is needed to save the city from disincorporation.Facing gloomy revenue projections in a city with the lowest sales tax rate in the county, supporters want to put a three-quarter cent increase before voters on the March ballot.Without the hike, the city might be forced to dissolve into the county, which would take possession of city assets and likely sell City Hall, said councilman Jerry Jones."We've done all the cuts that we can do," he said. "We're in worse shape than we were 10 years ago."The city spends roughly 80 percent of its budget on public safety, leaving little for infrastructure and other programs like addressing homelessness, Jones said.The tax hike would generate 3 million dollars, raising the city's total sales tax revenue by 38 percent, he said.At the Grove Grinder restaurant, business owner Sharon Jones is skeptical of the doomsday scenario."I think it's just a scare tactic," she said.She thinks the city should help its business community grow, and says raising the sales tax might do just the opposite."There are more businesses closing down here in lemon grove. If they think they're getting the sales tax that comes from businesses, they're not going to get as much as they think they're going to get," she said.Councilman Jones was once opposed to a tax increase too, but now he say it's necessary."There are just no other alternatives if we want to stay a city," he said.Supporters have until September 30 to gather 1,489 signatures to qualify for the March 2020 ballot."We think we can" get enough signatures by the deadline, said Yadira Altamirano, one of the proponents of the Lemon Grove Tax Measure. "We need all of our neighbors and Lemon Grove registered voters to come sign the petition this weekend."Organizers will be collecting signatures in the Sprouts parking lot Saturday from 9 a.m. until 1 p.m. and Sunday from 3 p.m. to 7 p.m., she said.If the measure doesn't qualify for the March ballot, the council could step in and vote to put a measure on the November ballot, Councilman Jones said. 2239

  济南衣原体原因   

LAKESIDE, Calif. (KGTV) — An East County contractor made a huge investment in the lives and well-being of a pair of employees and their special needs son by gifting them a custom van.The gift for 14-year-old Hayden Welsh, who has spina bifida, and his family was presented by A.M. Ortega Construction in Lakeside. The van is retro-fitted with adaptive equipment, a power ramp, and a low floor for the family, designed to help the family and Hayden get around easier as he grows up."Yeah it makes a world of difference between lifting him, putting him in a chair worrying about him trying to transfer, this thing he's ready to roll in and go," Hayden's mom, Ashley, said. "It was 100% shocking. It's going to make our lives so much easier. I've been looking at vans but financially I can't make that jump."Company owner Maurice Ortega said the gift couldn't go to a more deserving kid."Hayden's had so many surgeries, and he comes flying through the door a few days after surgery, and he pops in my office and he goes, 'what up Mo?,'" said Ortega. "He wants to know what your life's all about. I have never heard that young man complain about anything."After the shock of seeing the van, Hayden spent time playing will all of the van's new features. 1256

  

LAKESIDE, Calif. (KGTV) — A family is grief stricken after their elderly mother's wedding ring vanished last weekend.Daughter Leanne Farrell said she took her dad to urgent care Friday and then went to work. A nurse who cares for her parents noticed Saturday the ring was missing."There were about 4 people in and out [when] the ring disappeared and it wasn't easy to get off," she said.She doesn't believe her mother lost her ring. She said it's been on her hand for 61 years, only removed from her finger for a repair or the rare cleaning.She said they tore the house apart searching for the ring and found nothing."I can't be here 24/7 for them you know? Because I have to work and you hope the people that come in to care for them, care for them like you would," she said wiping away tears.The ring went missing just a day after her parent's 61st wedding anniversary. Her father, Ken Clody's, leg was amputated after a fall two years ago and recently had to change the hours caregivers come and go to ensure he and his wife are taken care of. He also suffers Primary Lateral Sclerosis, making it hard to communicate.Farrell explained her mother has dementia and sleeps most of the day, "she can't explain anything, she can't explain who took it, when they took it, because you can see she's not with us really much anymore."Her father said he bought the ring for 0, in 1957.Farrell described the ring as two white gold bands soldered together with three diamonds, the center just larger than the others. Farrell said it's not the price they're upset by, but the sentimental value."Oh I just hope they put it in an envelope and mail it back, the money doesn't matter just the ring," she said crying.The San Diego County Sheriff's Department is investigating the loss. They have a detective on the case interviewing the caregivers who were in the home at the time the ring went missing. 10News spoke with the care-giving company who said they interviewed their employees and said those employees hadn't seen the ring.10News did not name the company as law enforcement said they are not suspected of any wrongdoing. Clody said via email several other items went missing during the same time period, but that they were easily replaceable. The health care company called 10News late Thursday saying a couple of their employees said Mrs. Clody would take the ring off and play with it and leave it places. 2414

  

LA MESA, Calif. (KGTV) — Authorities are offering up to ,000 for tips leading to the arrest of the person who burglarized a gun shop in La Mesa last month.At about 11 p.m. on May 30, an unknown man burglarized Alex Imports Gun Shop located at 7839 University Ave. in La Mesa, according to the ATF. The suspect stole nine long guns, investigators say.The burglary happened the same night that rioting and looting occurred around the city.The suspect is described as a white or Hispanic male, about 30 years old, with black hair, about 5-feet 8-inches tall, and weighing about 200 pounds.Anyone with information is asked to call the ATF at 1-888-ATF-TIPS (888-283-8477). 679

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