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发布时间: 2025-05-24 15:48:23北京青年报社官方账号
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LA JOLLA, Calif. (KGTV) -- Several hundred people peacefully marched in La Jolla Friday afternoon in support of the Black Lives Matter movement and to protest systemic racism.The group gathered at La Jolla Cove and then walked to Windansea Beach as they held white carnations to signify peace.It wasn't immediately clear how long the protest would be held.The protest is one of several local demonstrations that have been held in San Diego County over the last few weeks. Nationwide, demonstrations have been held, sparked by the death of George Floyd in Minneapolis while an officer held his knee on his neck for nearly 10 minutes. 640

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Let's face it, pets are family. And even when you don't have a home, they come first. One non-profit group of dedicated veterinarians, is helping make sure these "street dogs" are getting the care they need, much to the relief of their human companions.Shannon Arakaki is doing her best to comfort her dog Rocky, as he gets his ear drained. After all, she says he's always been there to comfort her."Oh yeah there's been some ups and downs," said Arakaki. "Lived in my truck you know we stay at my truck off and on right now."When Rocky hurt his ear, Arakaki had no idea how she'd deal with it."I don't have the money to go to a vet and this is my only option right now unless you know I'm going to sell my truck," said Arakaki. "I can't do that I'm not going to go live in a tent."That's where one group of veterinarians come in. They are treating Rocky for free."This is phenomenal," Arakaki said. "Because it's so hard and when you're at the point where you don't really have any money and you're trying just basically to survive. They come before you."With just a table and supplies these vets are caring for the pets of people who are homeless or near homeless. They call themselves the Street Dog Coalition, setting up care centers on streets around the country, or in this case, at a shelter."We are not doing major surgeries," said Dr. Jon Geller, who founded the Street Dog Coalition. "We're not doing x-rays but we have to use our x-ray vision which just means a lot of best guessing going on."Dr. Geller says it not only helps pets stay healthy, but also tears down barriers for people who already have enough up."What do you do for a job interview?" Dr. Geller said. "What do you do for a job? There's no doggie daycare and they can't get on the bus and staying over night in shelters but that's in most cases it won't happen."Dr. Geller says sometimes the homeless are judged for having pets, but not here."They will feed their pets first," Dr. Geller said. "So they live pretty good lives and these owners are pretty committed and I think that we should be supportive of their efforts to have pets."They are helping preserve relationships that go beyond mere companionship."Without having somebody for me to give a damn about I may not care about myself as much," Arakaki said. 2324

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Last year's seasonal flu vaccine effectiveness was just 42%, the US Centers for Disease Control and Prevention estimated. Even if vaccinated, then, people had inadequate protection against the flu.This limited effectiveness was due to a mutation that occurred in the influenza A (H3N2) vaccine strain, according to a new study published Monday in the journal Proceedings of the National Academy of Sciences. This vaccine mutation resulted from an egg-based manufacturing process commonly used today.This year's flu vaccine may also be imperfect, said Scott Hensley, author of the new study and an associate professor at the University of Pennsylvania. Add to that, he said, "this could end up being a pretty bad flu season."Still, he said, "our best protection" against severe illness is getting vaccinated with the flu shot we have today.Finding answersEach year before flu season begins, a vaccine is made based on whichever virus strains are expected to circulate. The selected seed strains are distributed to vaccine manufacturers which then produce their formulations and make them available to health care professionals before the season begins.During the 2015-16 season, vaccine effectiveness was 47%, while for the previous 2014-15 season, effectiveness was just 19%, according to the CDC. While the overall effectiveness of last season's vaccine was 42%, it was only 34% effective against the H3N2 viruses that dominated the season.Vaccine effectiveness varies based on how well it matches the circulating virus strains. Sometimes, a vaccine corresponds to the predominant virus yet its effectiveness is still not what scientists would expect. Trying to understand which element of the vaccine failed is difficult.Hensley and his team began their investigation of last year's vaccine by looking at the seed strains that had been distributed to vaccine manufacturers. These seed strains had been propagated in chicken eggs, the common method used today."The sequences of these viruses are available and when we did an alignment to see what the sequence of these vaccines were compared to the viruses that were circulating, it became very obvious that there was this mutation," said Hensley.To see the effects of the mutation, the team next looked at how the immune systems of both animals and humans who'd been inoculated with an egg-based flu vaccine responded to the actual circulating viruses.The antibodies -- immune system proteins that fight invading pathogens -- elicited in both animals and humans failed to bind to and neutralize the flu viruses, Hensley and his colleagues found.While most vaccines in the United States are made in chicken eggs, a small fraction are produced in insects or mammalian cells, Hensley explained. (These are given to people with egg allergies.) He and his team compared immune responses in animals and humans who had received a cell-based vaccine -- in this case, Flublok made by Protein Sciences Corporation."And we found both animals and humans receiving that (cell-based) vaccine had superior antibody responses that could bind and neutralize these circulating H3N2 strains," said Hensley.Making a better vaccine"Most of the infrastructure to produce vaccines in the US is based on chicken eggs," said Hensley. There are good reasons for this, including the fact that egg-based propagation allows manufacturers to quickly produce large quantities of vaccine.While egg adaptations have always been a problem, beginning last year it had become a "huge problem," said Hensley. "As soon as you try to grow this virus in eggs, within a few hours, the virus will acquire this kind of mutation."This is not an easy problem to fix, he said. To produce vaccines in cells means "a very expensive process for companies to just change their overall manufacturing process," Hensley explained. "You can't really do that on the drop of a dime."Meanwhile, the same seed strains used last year are being used this year to make the current vaccine, said Hensley."This year may be especially difficult because, in addition to this egg adaptive mutation which was present last year, there's indication that the H3N2 viruses are actually evolving," said Hensley.Not only will the vaccine be a mismatch with the actual circulating viruses due to egg adaptation but the vaccine could also be a mismatch due to unexpected viral evolution.What kind of flu season is ahead?It's too early to speculate which viruses will become dominant in the United States over the course of the coming flu season, said Hensley, "but it's starting to look like it will be H3 viruses." H3 viruses are influenza A viruses."There are the A group of viruses and the B groups," said Dr. William Schaffner, an infectious disease specialist at Vanderbilt University. "The A groups are the ones that usually are responsible for large epidemics ... whereas the B flu strains usually smolder along. They always cause illness -- it can be just as severe as the A strains -- but they don't produce large outbreaks."Though last year's vaccine was mostly ineffective in thwarting the flu, it still prevented nearly 30% of hospitalizations that might have resulted, according to CDC calculations. For older adults, that rate was even higher, at 37%. Plus, the vaccine reduced outpatient visits by 42% last season.The CDC advises everyone 6 months and older to get a flu shot, as only injectable flu vaccines are recommended. More than 130 million doses of flu vaccine have been distributed so far this year and flu activity is still low across the nation.It's still early days, but experts believe we may be facing a tough season, and not only because of vaccine concerns.The reason?Australia had a tough flu season this year, with a total of 215,280 laboratory-confirmed cases and 504 flu-associated deaths reported to its National Notifiable Diseases Surveillance System as of October 13, government data show. According to a surveillance system report, adults over the age of 80 and children between 5 and 9 years old have been most affected."In general, we get in our season what the Southern Hemisphere got in the season immediately preceding us," Dr. Anthony Fauci, director of the United States' National Institute of Allergy and Infectious Diseases, said in an interview last month.An "intelligent guess," therefore, is that the Northern Hemisphere, like the Southern Hemisphere, will likely battle more cases of the viral infection, he said, though "with influenza, it is never 100%.""If H3N2 viruses dominate the US flu season again this year, vaccine effectiveness will likely be moderate to low again," said Hensley.Still, he said, everyone should get their annual flu shot."The other components of the vaccine, like H1N1 and influenza B, will likely provide excellent protection," said Hensley. "The vaccine will also likely prevent severe disease and death caused by H3N2 viruses, even though this component of the vaccine is mismatched."  6969

  

LAS VEGAS, Nevada — Most teenagers are using Snapchat, Whatsapp, or Instagram. But you need to know, predators are using social media apps too.It's the dark side of Las Vegas. And sex traffickers have learned they can reach beyond runaway teens into the bedrooms of kids in cities such as Summerlin and Anthem. And they're accessing your kids on social media. Adia Lancaster is with New Hope Foundation International, an organization that educates our community about sex trafficking. "We have two lives now. An offline life and an online life. Whatever app has social capability, they are recruiting off of these apps."Parents never think something like this can happen to their teen. But predators are patient and smart.  Often they will target multiple students at a specific school at the same time. If they can interact with enough students online, other teens are more likely to think they are safe because they have friends in common. That's all it takes for your teen to let down their guard on social media.Worldwide, the average age of a girl pulled into sex trafficking is 12 or 13. Here in Las Vegas, the average age is about 15 or 16.  That's the age Michelle Balan's daughter was when a stranger made friends with her on social media."It was, there is a party let's go. The girls would go. A group of guys would go. They hang out. It became a friendship. Then it evolved. These guys said, 'We want to make some money'."Sadly, Michelle's daughter was fooled into thinking it was no big deal to sell her body. But since she was still living at home, it didn't take long for Mom to catch on."She started coming home with items I didn't pay for and she didn't have a job. There was no explainable way she could have these items."Michelle did what every parent must do. She became a social media detective: 1888

  

Las Vegas police are reporting that a cook at the Bellagio hotel-casino on the Las Vegas Strip, Alex Hernandez, was arrested on one count of embezzlement on Feb. 26 for reportedly taking food home.Bellagio security informed officers that Hernandez had been caught stuffing 25 lobster tails in his backpack and walking out the back door with them.The lobster tails were valued at around each, making the total haul worth about ,875.  456

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