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SAN DIEGO (KGTV) — In their push to reopen schools, some political supporters of President Donald Trump have cited COVID-19 research from a group of San Diego scientists, claiming it’s evidence we could be close to herd immunity from the virus.But one of the authors of that research says that conclusion is way off.One of the most prominent supporters of the herd immunity conjecture is Dr. Scott Atlas, a neuroradiologist and senior fellow at Stanford University’s Hoover Institution who became an adviser to President Trump this month.“There’s a pretty good chance that herd immunity requires way less infections because of existing immunity out there,” Atlas said in a livestream conversation with San Diego County Supervisor Jim Desmond. “It actually may have already been reached in places like New York. We don’t know, but it’s possible.”Herd immunity is the level of protection needed to effectively stop the virus from circulating, thought to be about 70 percent of the population. The “existing immunity” to which Atlas is referring has to do with T cells.“It's just a misunderstanding of the science,” said Dr. Shane Crotty, a virologist at the La Jolla Institute for Immunology who co-authored the groundbreaking research on T cells in June.Crotty and his colleagues found that 50 percent of people unexposed to the novel coronavirus had T cells that could recognize it. Scientists refer to this as cross-reactive T cells, and the study was replicated in other countries.Proponents of the herd immunity theory take the number of people infected with the coronavirus, add the number of people with T cells that can recognize the virus, and come up with a number around the herd immunity threshold of 70 percent. But the math doesn’t work that way, according to Crotty, in part because T cells only kick in once a virus has hijacked cells, meaning T cells alone can't stop a pathogen in its tracks.“We’re not saying those 50 percent of people have protection like they’ve already had the virus,” Crotty said. “We’re saying those 50 percent of people have a head start in responding to the virus, which is a good thing but doesn’t affect herd immunity.”Since the novel coronavirus is a new pathogen, scientists did not expect people would have tools in their immune system capable of recognizing it. Unexposed people do not have cross-reactive antibodies, Crotty said.But in a study published this month in Science, Dr. Crotty and his colleagues offered a potential explanation for the surprising T cell results: they found these cross-reactive T cells also recognized four other coronavirus strains that cause common colds.Their theory: the T cells were created in response to other coronaviruses but can recognize SARS-CoV-2 like a distant relative.“It's a memory of a cousin,” Dr. Crotty said.That memory may speed up the body’s immune response, which can normally take about a week for an unknown pathogen, Crotty said. But scientists aren’t sure yet what role T cells actually play in clinical outcomes.“We have no data and and neither does anybody else as to whether these T cells really help or not,” Crotty said.To answer that question, scientists would need blood samples for lots of healthy people and then they would have to closely study individuals who got infected.The La Jolla Institute for Immunology is raising money for that kind of research, Crotty said, but they’re not there yet. 3417

SAN DIEGO (KGTV) — Lifeguards say two people were rescued from a trail in the Blacks Beach area on Sunday in separate incidents.The first involved a woman who injured her ankle, according to San Diego Fire-Rescue. The woman was about half-way down before being injured. Lifeguards put her on a stretcher and used ropes to lower her down to the beach. She was taken by lifeguards to meet paramedics.The second occurred on the same trail, involving a woman suffering from heat exhaustion. She was unable to make it down the rest of the trail, requiring lifeguards to hoist her to the beach below to get her to paramedics.Lifeguards said with Labor Day weekend approaching and a heatwave expected next weekend, they are reminding visitors to local trails to know their limits, wear proper footwear for uneven beach terrain, and make sure they have plenty of water.Beach lifeguards say they don't expect to see crowds slow down anytime soon. 945

SAN DIEGO (KGTV) — Just as he begins his campaign to become San Diego's next mayor, Assemblymember Todd Gloria was fined for violating the Political Reform Act.According to the California Fair Political Practice Commission, Gloria, "failed to timely file a Candidate Intention Statement prior to receiving contributions to his candidate-controlled committee, Todd Gloria for Assembly 2020."The FPPC fined Gloria 0. They say Gloria paid that fine.RELATED: Poll: Gloria pulls early lead in San Diego mayoral raceSan Diego, at last, has Republican candidate for mayorSan Diego's top Democratic mayoral candidates square off in debateAccording to the California Secretary of State's website, before raising any campaign funds, state candidates file "Statements of Intention" to run for a specific office. Candidates can file Statements of Intention for more than one office.Gloria's signed statement of intention shows the state received it on Aug. 13, 2019. That's after the campaign committee was opened and filed a "Recipient Committee Campaign" statement.In August, officials with the California Fair Political Practices Commission told 10News Gloria called FPPC Enforcement and self-reported.A spokesman for Gloria said they look forward to the final resolution of the matter: "Assemblymember Gloria agreed to this settlement to resolve any and all outstanding issues regarding the filing of his Form 501."Earlier this week, Gloria tweeted he officially pulled nomination papers to run for Mayor of San Diego in 2020, writing, "I'm ready. Let's do this." 1566

SAN DIEGO (KGTV) — Internationally, night markets invoke a sense — and smell — of wonder in its visitors, from delicious street cuisine to unique crafts to entertainment.The Convoy District hopes to capture that magic for San Diegans during San Diego Night Market at SDCCU Stadium. Saturday (4 p.m. - 12 a.m.) and Sunday (4 p.m. - 9 p.m.), the stadium expects 15,000 visitors hoping to experience that magic of bustling nighttime markets in big cities throughout Asia.The market first launched in 2013 at Kearny Mesa's Zion Market, only expecting about 2,000 attendees. To their surprise, 10,000 people showed up and have helped turn the market into an annual event to show off San Diego's diverse culture and history.RELATED: 10 must-eat restaurants on San Diego's Convoy StreetVisitors can enjoy food from local Convoy Street stops like Cross Street Chicken, HI Street Kitchen and Tap, and Simsim Outstanding Shawarma. Plus, food trucks turning out more delectable eats.On two entertainment stages, the San Diego Lucky Lion Dancers will perform, along with Naruwan Taiko drummers, Lemon Candy KPop dancers, and several other acts.And vendors will be out showcasing their handmade crafts and art for purchase throughout the market.Admission is and parking is free at the stadium. A "I Love Convoy" lanyard and pin ticket can also be purchased for , allowing unlimited entrance to the market throughout the weekend and promising Convoy Street deals in the future.Check out the full food and entertainment lineups here. 1532

SAN DIEGO (KGTV) - Investors are watching carefully to see if interest rates keep dropping, or if they may eventually dip below zero in the United States.Recently, former Chairman of the Federal Reserve Alan Greenspan said it's a possibility, as rates have remained historically low for the past few years.In San Diego, the results of a negative interest rate would be good news for some and bad news for others."Low rates are a double-edged sword," says Dennis Brewster of SagePoint Financial. "If you're a borrower, if you're looking to buy a house today, mortgage rates have never been lower. But if you're a saver and you have money in the bank or in a CD, your rates are pretty poor."Brewster says the interest rate tends to drop when growth in the US is slow, both for the population and the Gross Domestic Product. He says that's what's happening now, as the baby boomer generation is getting older and later generations have fewer children. Brewster says slower population growth leads to slower economic growth because there are fewer people in the workforce, which means company production is down, and so is spending. He says that is happening despite record low unemployment.As for negative interest, Brewster says the average San Diego shouldn't worry since it's unlikely to happen."I wouldn't change your long term plans," he says. "The economy can move forward through high or low rates." 1411