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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 counties across the state are able to reopen, some are seeing COVID-19 case numbers bounce back up.There's concern from business owners that the state's current approach to restrictions could put them in a constant state opening and closing. Forty miles east of San Diego is the small community of Descanso."I was born and raised in Descanso," said Melanie Schlumpberger.Staying true to her roots, Descanso is where Schlumpberger opened her small business, Americutz Salon."It was going great," Schlumpberger said. "I was super busy getting new clients all the time."Then came COVID-19 and the stay at home order."It was very hard not knowing how long we were going to be closed down for," she said.Schlumpberger said savings got her through until she could reopen, but that ended up being short-lived. Cases in San Diego County spiked, and a few weeks later, her doors closed again.She said after being closed for another six weeks, she could reopen under the new state's guidelines."It was really exciting when we got to open back up," said Schlumpberger.Then college started, some county metrics spiked, and business could once again be impacted."I don't want to close down again cause it's so hard," she said. "I don't want to lose all the stuff that I've worked for."Schlumpberger said her operation is safe, and there have been very few cases of COVID-19 in Descanso and the surrounding areas.According to the County of San Diego's COVID-19 dashboard cases by residence, San Diego has more than 19,000 confirmed cases. The county's data show Descanso has 12."If the county numbers go up, unfortunately, the businesses countywide have to adjust," said San Diego County Supervisor Jim Desmond.He says you can look at any county across the state and find a similar issue. Desmond says instead of ping-ponging people's lives, some decisions should be made at the local level."If a business is able to operate safely and follow all the safety protocols and we can enforce those safety protocols, then they should be able to open," he said.Reporter Adam Racusin asked California's Health and Human Services Agency Secretary Dr. Mark Ghaly if there should be a different approach for areas in counties not as impacted by COVID-19."Something we've long considered," Ghaly said. "You know we work very closely at the countywide level. We have throughout this entire response had many counties step forward and highlight exactly what your statement highlighted that we have differential levels of transmission throughout the different parts of the county. We continue to work with the county to figure out where those trends, especially those upward trends, where we might intervene, but certainly our approach has been county by county, countywide. We look forward to continuing to work with the San Diego leadership both on the health and the elected side to make sure that we do make the right decisions for that county broadly speaking, and we'll be looking forward to the upcoming week and those conversations."Ghaly said the state does empathize with the concern of the business owners and the idea of opening up just a few weeks ago to close back down.Schlumpberger is worried if her businesses is impacted again, it might not survive."I've put so much money and time into building my business and to just lose it because they keep closing us down again is not fair," she said.San Diego officials formally asked the governor to not include SDSU case numbers in the county’s overall total, however during a press conference Wednesday, Gov. Newsom said a special exemption would not be considered."You can't isolate, as if it's on an island, the campus community that is part of a larger community. So the answer is no," Newsom said. 3764

SAN DIEGO (KGTV) — Custom churros are the latest foodie find on Kearny Mesa's bustling Convoy Street culinary scene.Churreria is taking the classic dessert treat and adding their own twist. The churro stop gives customers the chance to customize their churro with toppings like bacon, coconut, and even fruity pebbles. Better yet, churros are made right before customers' eyes.Nicholas Tran, owner of Churreria, said the idea for a churro shop developed after a trip by the border.RELATED: 10 must-eat restaurants on San Diego's Convoy Street"We saw this kiosk and they were having these churros from this little stand. And I was 'Oh my god. That's a fantastic idea,'" Tran said. "Everyone loves churros!"Tran's wife and his business partner embarked to Spain to develop how they would make their churros. The main difference, Tran, said is the basic ingredients.Traditional North American churros contain egg, milk, and butter. Spanish churros, though, are made from just flour, water, salt, and oil."It's vegan and vegetarian. It's good for people who are lactose intolerant or who have a dairy intolerance or with eggs," Tran. "This happens to be a healthy churro. What you put as your toppings I can't guarantee."RELATED: Top 7 dessert spots in San DiegoEnter the customizable feature of Churreria. Customers order whether they want their churro stuffed with Nutella or sweet cream or not, and then they can choose from different glazes and toppings, including sprinkles, nuts, and cookie crumbs."There's nothing to hide. We want to show you we make it from scratch and it's clean," Tran said.Another fun aspect of Churreria is its sustainability arm.Tran worked with his business partner to do something good with their cooking oil after use. The pair settled on donating the used oil to two areas: A local company that repurposes cooking oil into biofuel and a shelter that uses the oil for soap for homeless individuals."We try to put back into the community instead of just dumping the grease ... and having it hauled away," Tran said. "We're trying to be better for the environment that way." 2164

SAN DIEGO (KGTV) - Cold temperatures and strong winds across San Diego County Monday prompted several weather advisories for the region. 144

SAN DIEGO (KGTV) -- Children's minds cam become overwhelmed during the chaos of a pandemic. However, one local company has found a way to deal with these challenges, especially as kids get ready to start a new school year. Brain Balance of San Diego offers a holistic program that specializes in getting to the root of children's challenges."Those challenges might be academically, socially, or behavioral, says office director Amanda Lee. "We see a lot of parents who come in with children struggling with attention, and sensory processing."And at Brain Balance, they stay away from medications. "That just looks at the tip of the iceberg, and is a band-aid."They believe in the power of exercise, with workouts such as jump rope, balance beam, and planks just to give a few examples."It's fantastic for the brain, but the type of exercise we do here is very intentional. It works on very specific areas of the brain, but especially the connections between the different regions which are connected with development, processing, learning, and every day functioning."Many families are now seeing their kids struggle, as they deal with the pandemic and distance learning. "It's just been difficult," says the father of twin girls going through the Brain Balance program. "It's been nice because Brain Balance has been there, with emails as well as checking in with phone calls. But now having schools start with the distance learning, it's going to be hard to gauge them, but I can see they've gained."So what are the red flags to look for in your children? Lee says there are a few. "Are they able to really focus on the lesson at hand, and what about reading? A lot of kids are really struggling with getting through a paragraph or a sentence."Lee also says Brain Balance is by no means a cure, just a stepping stone to help children with their struggles."We know there are these road blocks in the brain. So we help them clear those road blocks, and to help them truly thrive, especially in the new school year." 2024