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Nearly two weeks after a 16-year-old Pennsylvania girl vanished with a 45-year-old man, the pair was found Saturday in Mexico and the man was arrested, authorities say.Amy Yu was "unharmed and in good health," Allentown police said in a statement.She and Kevin Esterly, the man police say she willingly ran away with, were escorted to Miami by US Homeland Security Investigations agents and the US Marshals Service.Amy has been safely returned to her family in Pennsylvania, according to a statement from Immigration and Customs Enforcement (ICE) and Homeland Security investigators.Esterly's arrest comes two days after Mexico's Attorney General issued an Amber Alert?for Amy. The alert said Esterly was the suspect in her disappearance and that an investigation showed she was in Mexico with Esterly. Her well-being, the alert said, was at risk.CNN has reached out to Mexico's attorney general and the federal police for comment, but has not heard back.Esterly was expected to be extradited back to Pennsylvania. 1027

NEW YORK (AP) — Video app TikTok said it would wage a legal fight against the Trump Administration's efforts to ban the popular, Chinese-owned service over national-security concerns.TikTok, which is owned by China's ByteDance, insisted that it is not a national-security threat and that the government is acting without evidence or due process.On Monday, the company said it would file suit against the government later Monday in federal court in California."Now is the time for us to act," the company said in a press release. "We do not take suing the government lightly; however, we feel we have no choice but to take action to protect our rights and the rights of our community and employees."A copy of the complaint could not be immediately obtained.President Donald Trump issued an executive order in August that imposed a sweeping but unspecified ban on any "transaction" with ByteDance, to take effect in mid-September.In recent weeks, the Chinese-owned app was in talks with Microsoft to purchase them, but with the lawsuit, TikTok switched gears is now going on the offensive. 1095

NEW YORK (AP) — It's no joker. The night sky all over the world is lighting up Saturday with an illumination of the famed bat insignia to mark a special anniversary for Batman.DC Comics is carrying off a celebration of Batman Day to mark the 80th anniversary of the appearance of crimefighter Bruce Wayne and his masked hidden identity.Fan gatherings are planned all over the world. But the most ambitious party plan is the illumination of the Batman signal.It will start at Fed Square in Melbourne, Australia. It will also appear in 13 cities, including Tokyo, Berlin, Rome, Paris, London, Sao Paulo and Johannesburg.It will light up at the Domino Sugar Refinery in New York City before making its final appearance in Los Angeles at City Hall. 752

New research suggests that antibodies the immune system makes to fight the new coronavirus may only last a few months in people with mild illness, but that doesn’t mean protection also is gone or that it won’t be possible to develop an effective vaccine.“Infection with this coronavirus does not necessarily generate lifetime immunity,” but antibodies are only part of the story, said Dr. Buddy Creech, an infectious disease specialist at Vanderbilt University. He had no role in the work, published Tuesday in the New England Journal of Medicine.The immune system remembers how to make fresh antibodies if needed and other parts of it also can mount an attack, he said.Antibodies are proteins that white blood cells called B cells make to bind to the virus and help eliminate it. The earliest ones are fairly crude but as infection goes on, the immune system becomes trained to focus its attack and to make more precise antibodies.Dr. Otto Yang and others at the University of California, Los Angeles, measured these more precise antibodies in 30 patients diagnosed with COVID-19 and four housemates presumed to have the disease. Their average age was 43 and most had mild symptoms.Researchers found that the antibodies had a half-life of 73 days, which means that half of them would be gone after that much time. It dovetails with a previous report from China also suggesting antibodies quickly fade.The results “call for caution regarding antibody-based ‘immunity passports,’ herd immunity, and perhaps vaccine durability,” the California authors write.That’s true, Creech said, but other parts of the immune system also help confer protection. Besides churning out antibodies, B cells develop a memory so they know how to do that again if needed.“They would get called into action very quickly when there’s a new exposure to the virus. It’s as if they lie dormant, just waiting,” he said.Other white blood cells called T cells also are better able to attack the virus the next time they see it, Creech said.Although circulating antibodies may not last long, what we need to know is if and how people remake antibodies if exposed to the coronavirus again and if they protect against another infection, Alison Criss, an immunologist at the University of Virginia, wrote in an email. “We also need to know if there is a protective T cell response” that reappears.Vaccines, which provoke the immune system to make antibodies, might give longer-lasting protection than natural infection because they use purified versions of what stimulates that response, she noted.Creech agreed.“This shouldn’t dissuade us from pursuing a vaccine,” he said. “Antibodies are only a part of the story.”___Marilynn Marchione can be followed on Twitter at http://twitter.com/MMarchioneAP___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. 2967

NEW YORK -- Lori Gaeta gets a cup of coffee every day at a cafe on Lexington Avenue in New York City.Last week, she got a cup coffee and started a conversation with a homeless man that changed both of their lives.Gaeta says she met the homeless man, named William, on 61st Street. It was a conservation she couldn't get out of her mind.“He was paralyzed in a broken down wheelchair. I just felt he could use a blessing,” said Gaeta.All she knew about him is he is 61 years old and his name is William, he became paralyzed and is now homeless.She noticed his wheelchair was being held together with duct tape and was falling apart. She asked him if it was alright for her to get him a new chair.Gaeta sprung into action and started an online quest asking for help posting on a site called Nextdoor. Generous New Yorkers immediately came forward offering used chairs.Then a total stranger, named Elizabeth Menegan, offered to buy William a new chair, spending over 0.“You know that saying it takes a village to raise a child? Well, this took an entire neighborhood to bless this man. He has no idea he had a brand new chair coming to him,” said Gaeta.William says he is grateful for the generosity of so many strangers.“I don’t know her but I give her respect,” said William.Gaeta says this story is more than getting William a wheelchair, she hopes that she can help William find a home.This story was originally published by Monica Morales at WPIX. 1459