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发布时间: 2025-05-31 05:09:43北京青年报社官方账号
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As the COVID-19 pandemic progresses, researchers say it is important to track how the coronavirus mutates because it could affect the efficacy of a vaccine.Like all living cells, viruses evolve their chemical make-up changes. In viruses like the flu, that happens frequently, which is why every year there is a new vaccine to treat whatever strain is expected to circulate. With COVID-19, however, those mutations happen much slower, according to research out of Arizona State University.“One of the things we’re still keeping an eye on is the evolution of this virus because that virus is still around in the community,” said Dr. Efrem Lim, an assistant professor at ASU. “Everyone is coming in blind to this. This is a novel virus. This isn’t something we have seen before.”In March, Arizona State University played host to our country’s fourth COVID-19 case. As soon as it was detected, Dr. Lim started studying how the virus mutates and sent his findings to the World Health Organization. It's something that still continues to this day.“This virus, overall, mutates pretty slowly, which is a good thing,” said Dr. Lim. “However, we can have instances where the virus can have very large, dramatic, mutations, such as deletions in the genome.”While rare, Dr. Lim says those mutations can be significant as it changes how the virus acts inside the body.Currently, scientists are focusing much of their efforts on identifying ways to eliminate the function of the spike protein in COVID-19, as it is the way the virus binds to our cells and infects them (spike proteins are the stalks that protrude from the center of the virus that make it so recognizable).“It is very good news that the virus is not changing rapidly,” said ASU virologist Dr. Brenda Hogue. “We will have to see over time, as the virus continues to circulate, as we put a vaccine into play, whether or not there will be any issues.”Dr. Lim says right now there does not appear to be any issues because the virus mutates slowly, but he adds it could adapt to a vaccine once one begins to circulate.He says more testing needs to be done to determine that, however. 2140

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At least two people were injured when an air duct fell from the ceiling at Kalahari Resort in Sandusky, Ohio, according to the Erie County sheriff's office.According to a 911 caller, a 25-foot section of the duct fell into a pool area.Went to kalahari for a fun day with my daughter and now we have to leave bc of the tubes fell pic.twitter.com/2S3j9M33q5— Phil is to sweet (@Philsmarshmalow) March 12, 2018 415

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At this extremely difficult time we would like to express our gratitude to all of those who have reached out to our family following the tragic loss of Alanna, June and Ruby. They were all loved dearly by their family and friends, and they will be greatly missed. We are broken-hearted by their loss but sustained by our faith. We believe in a loving Heavenly Father who comforts his children in the midst of their most painful trials. We are steadfast and confident in knowing that our family will be reunited in the life to come. We thank the police, other first responders, friends, family and the media for their kind words about these wonderful girls and their mother. We trust you will allow us private time to mourn. 731

  

ATLANTA — Leading congressional Democrats are reacting furiously to lightly-substantiated claims that immigrants held at a detention center in Georgia are undergoing questionable hysterectomies.In a complaint filed Monday, a nurse alleges that the Irwin County Detention Center performed questionable hysterectomies, refused to test detainees for COVID-19 and shredded medical records.Democrats seized on the most explosive allegations in her complaint, that a gynecologist called the “uterus collector” was performing “mass hysterectomies.”A top medical official with U.S. Immigration and Customs Enforcement released a statement “vehemently” disputing the claims, according to the Washington Post, saying only two women have been referred for hysterectomies from the facility since 2018.A follow-up news conference Tuesday in Atlanta provided little information to substantiate the claims. The nurse, Dawn Wooten, and her lawyers refused to release her full statement made to the Department of Homeland Security’s Inspector General. She also declined to take questions after making comments to the media.Wooten worked full-time as a licensed practical nurse at the immigration detention facility until July, when she was demoted. She had missed some work because she had coronavirus symptoms, according to NBC. Wooten says she was demoted because she asked her superiors about the lack of COVID-19 testing and PPE at the facility.The gynecologist is not named in Wooten’s whistleblower complaint. Multiple media outlets report women from the facility have been taken to a local doctor named Dr. Mahendra Amin.Scott Grubman, a lawyer for Amin, said in a statement to the Washington Post that he was confident the doctor would be cleared of any wrongdoing.“Dr. Amin is a highly respected physician who has dedicated his adult life to treating a high-risk, underserved population in rural Georgia,” Grubman said.Amin has previously been accused by state and federal authorities of falsely billing Medicare and Medicaid in an investigation that ultimately led to a 0,000 settlement in 2015, according to the Department of Justice.“If true, the appalling conditions described in the whistleblower complaint – including allegations of mass hysterectomies being performed on vulnerable immigrant women – are a staggering abuse of human rights,” House Speaker Nancy Pelosi, a California Democrat, said in a statement. 2422

  

AURORA, Colo. — Police detained and handcuffed a Black mother and four children after mistaking their SUV for a stolen motorcycle from another state.It happened in the parking lot of a shopping center off of Buckley Road and East Iliff Ave. Sunday morning."Why are you now placing these children on the ground face into the concrete? It's hot! In front of all of us? Screaming at them. They are telling you they are hurt," witness Jenni Wurtz said.Wurtz recorded the incident along with several other witnesses.She says a police car slowly pulled behind the family. The officer drew their weapon on the family and ordered them out of the car. Several of the children were handcuffed."That makes me very mad because I am not anti-police. I'm anti- what happened yesterday, and that was ridiculous," Wurtz said.The car the family was driving was not stolen. Police used a license plate scanner to gather information on vehicles in the area. They should have been looking for a motorcycle with the same plate from another state.Interim Aurora Police Chief Vanessa Wilson blamed the license plate reader, but could not explain why the dozens of officers who responded did not confirm the vehicle description."I totally understand that anger, and don't want to diminish that anger, but I will say it wasn't a profiling incident. It was a hit that came through the system, and they have a picture of the vehicle the officers saw," Wilson said, defending her officers' actions.After officers realized the mistake, the family was uncuffed, but more officers continued to arrive. Video shows more than a dozen officers standing around the traumatized family."I do not think a stolen vehicle is worth traumatizing the lives of children. On top of that, I was 20-feet away with a drawn gun. They didn't even tell me to move, secure the scene. They didn't do anything," Wurtz said.Wurtz filed a complaint with internal affairs. She believes the police department's policy needs to change.By Monday evening, an internal investigation was underway following the incident, according to Wilson. She released the following statement on Monday."We first want to offer our apologies to the family involved in the traumatic incident involving a police stop of their vehicle yesterday. We have been training our officers that when they contact a suspected stolen car, they should do what is called a high-risk stop. This involves drawing their weapons and ordering all occupants to exit the car and lie prone on the ground. But we must allow our officers to have discretion and to deviate from this process when different scenarios present themselves. I have already directed my team to look at new practices and training. I have called the family to apologize and to offer any help we can provide, especially for the children who may have been traumatized by yesterday's events. I have reached out to our victim advocates so we can offer age-appropriate therapy that the city will cover."Sunday's incident comes as the Aurora Police Department faces continued criticism over its handling of the death of Elijah McClain. McClain died in police custody in 2019, but the case has garnered nationwide attention amid widespread protests in favor of police reform.This story was originally published by Jessica Porter on KMGH in Denver. 3318

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