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SAN DIEGO (KGTV) — As temperatures warm up, there is some early research suggesting air conditioning units could increase the risk of spreading COVID-19.One team of researchers swabbed several kinds of air conditioning units and found traces of the virus on one out of every four samples.One of the authors, University of Oregon professor Dr. Kevin Van Den Wymelenberg, said the research “does give us some pause.”Air conditioning units bring in little outside air, particularly when temperatures are very hot, posing a risk that viral particles could be recirculated into rooms, Van Den Wymelenberg said.However, just because the study found traces of the virus in A/C units, it doesn’t prove people can actually get sick from the contaminated air because it’s not yet clear how many viral particles it takes to infect someone, he noted.“Nobody knows what that minimum threshold is so we need to take as many precautions as possible,” he said.Dr. Edward Nardell, a professor in the Departments of Environmental Health and Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health, said air conditioning units can generate air currents that can carry large particles farther, similar to what researchers found contributed to the spread of the novel coronavirus disease in an air-conditioned restaurant in Guangzhou, China."You are not socially distanced as much, but you're re-breathing the same air that someone else just exhaled," Nardell said. "We call it rebreathed air fraction, and if someone is infectious, often asymptomatic, you're going to be rebreathing their small particles."This week, a group of 239 scientists from 32 countries asked the World Health Organization to update its COVID-19 guidance to reflect that the virus is airborne.On Thursday, the WHO released updated guidance acknowledging that airborne transmission can’t be ruled out, but stopped short of confirming that the virus spreads through the air.Instead, the WHO said the virus primarily spreads through droplet transmission, where larger particles come out of an infected person’s mouth, then fall quickly to the ground or onto surfaces. In airborne transmission, the particles stay floating for a long time.“I think they’re underweighting the importance of this airborne route based on the best available information,” said UC Berkeley Professor Emeritus William Nazaroff, one of the signatories of the letter to the WHO.He said in a poorly ventilated room, particles might linger for 30 minutes to an hour.Scientists say one of the best ways to protect yourself is to open windows, to increase the circulation of fresh air.Scientists say upgraded air filters in AC units and standalone air purifiers could also help.Germicidal lamps may also be effective, Nardell said. The technology is almost 100 years old, and has been proven effective in protecting against tuberculosis infection.The lamps, which shine ultraviolet light, are set up to shine horizontally, high up in the room to kill floating pathogens.Nardell said the technology can be deployed cheaply and easily in a number of settings.Additional reporting by Lauren Rozyla at WFTS 3159

SAN DIEGO (KGTV) -- As school districts across San Diego County work to piece together how the next school year will look like and how they’ll pay for it, others are joining forces to try and get more resources.Two of the largest school districts in California, Los Angeles Unified and San Diego Unified, announced they plan to pool their purchasing power to secure PPE and other equipment that’s needed to safely reopen.They join the other districts in the struggle to find out how to fund all the changes they’ll have to make to keep up with the state’s guidelines in dealing with COVID-19.Last week, the state’s superintendent of schools released a handbook that looks at the options of possibly splitting up students based on grade level, having them report to school on two designated days, and doing distance learning on the other days. They’re also looking to stagger start and dismissal times.While some parents believe having students return to school is easier than virtual learning, San Diego Education Association President Kisha Borden said, “I also think it will create a need for more teachers, we may have to utilize more of our visiting teachers.”The state superintendent is also recommending face coverings before entering campus. They will not need to wear it while eating.In a statement, LA Unified Superintendent Austin Beutner and SD Unified Superintendent Cindy Marten said:“Schools across the state are working around the clock to plan for reopening because students must have the chance to continue their education. Unfortunately, last week the state published 55 pages of new guidelines on districts with no funding attached. Unless the funding needs are addressed comprehensively in the state budget, there is no way schools will be able to follow all the new recommended guidelines required for a safe, responsible reopening in the fall. It is inappropriate to pronounce public guidelines as recommended best practices and then leave districts without the necessary funding to implement them. Schools must be able to reassure parents, students and staff that their wellbeing is being addressed and these guidelines will now be viewed as a minimum threshold.”Meanwhile, in Sacramento, lawmakers just approved a state spending plan that rejects Gov. Gavin Newsom’s proposed cuts to public education, as the state faces an estimated billion budget deficit because of the coronavirus.Even though the budget plan has been voted on, this could still change, as the governor has the power to veto, sign, or make changes to what’s been given to him by the legislature. 2600

SAN DIEGO (KGTV) -- Deadly crashes rose in San Diego in 2018, according to a new report by the National Highway Traffic Safety Administration. According to the report, there were 240 deadly crashes in San Diego County in 2018.In 2017, 223 deadly crashes were reported countywide, the agency said. According to the data, January and July were the deadliest months in 2018, each with 28 fatal crashes. RELATED: San Diego rain could lead to more crashes on wet roadsThe month with the least fatalities was May in 2018. The report didn’t specify why exactly certain months had more deadly crashes than others. The U.S. as a whole, however, saw fewer deadly crashes, showing a 2.4 percent decline from 37,473 in 2017 to 36,560.The agency says 2018 marked the second year in a row of reduced crash fatalities. RELATED: San Diego not the worst US city to drive in, but not the best either“This is encouraging news, but still far too many perished or were injured, and nearly all crashes are preventable, so much more work remains to be done to make America’s roads safer for everyone,” U.S. Transportation Secretary Elaine L. Chao said. Also promising: the data show that deadly crashes among children 14 and younger declined more than 10 percent while alcohol-impaired driving fatalities decreased 3.6 percent. 1313

SAN DIEGO (KGTV) -- Data obtained by ABC 10News showed there were more than 150 complaints made to 211 involving a Pacific Beach gym’s violations of public health orders.The data regarding The Gym was compiled starting April 8; overall, there were more than 9,300 complaints from that time period involving violations of public health orders throughout San Diego County.Troy Kahle said he and his husband have been members of The Gym, located on 2949 Garnet Ave., for more than 20 years. Kahle is also a COVID-19 survivor, and he said he’s not sure how he contracted the virus.Kahle has not been to The Gym since he went to the hospital. His husband last went on July 3, and decided it was not safe.RELATED: County confirms coronavirus outbreak at Pacific Beach gym"There are no safety barriers, there are no hand sanitizers, no one is wearing a mask, and no one is socially distancing," Kahle said, passing along what his husband told him from his July 3 gym visit.On July 15, public health orders forced several businesses to close indoor operations, including gyms. But Kahle said they noticed The Gym kept their doors open.Kahle and his husband notified 211 about The Gym's indoor activities on more than one occasion. He said their goal was to prevent the spread of the virus."I can't believe they stayed open as long as they have," Kahle said.During Wednesday's news conference, San Diego County Public Health Officer Dr. Wilma Wooten confirmed there was an outbreak associated with The Gym.The county had ordered it to close last week; The Gym closed on Monday."Last week, when we were working with them to close, we didn't know there was an outbreak there," Wooten said. "Once we get the information, we act as quickly as possible." 1748

SAN DIEGO (KGTV) — As former San Diego State star Kawhi Leonard readies for his Los Angeles Clippers debut Tuesday, another Aztec will also start the season on an active NBA roster.SDSU's Jalen McDaniels was signed to a multi-year contract and placed on the 17-man roster for the Charlotte Hornets Sunday, the team announced. McDaniels left SDSU after his sophomore season last spring and was picked 52nd overall in the 2019 NBA Draft.The 6-10 forward led the Aztecs in rebound average, total steals, and was second in scoring average last season. McDaniels signed with the Hornets on Oct. 10 under an unguaranteed Exhibit 10 contract, before the team converted it to a two-way contract on Saturday — meaning he could go back and forth between Charlotte's G League-affiliate, Greensboro Swarm, and the NBA. McDaniels participated in two preseason games with the Hornets, averaging 1.0 points and 0.5 rebounds in 5.3 minutes per game, according to the team.Sunday, the team bolstered his contract to a three-year, partially guaranteed contract ahead of the season opener. The terms of the deal were not disclosed.Charlotte's Wednesday night opener against Chicago will also feature two other Mountain West Conference rookies: former University of Nevada, Reno, twins Caleb and Cody Martin, both forwards as well. 1319