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SAN DIEGO (KGTV) — Researchers at the University of California, San Francisco are working on a spray designed to block the novel coronavirus from hijacking cells in the body, like a biological mask or internal personal protective equipment.They’re doing it by borrowing a defense mechanism from an unlikely source: llamas.The team, led by UCSF graduate student Michael Schoof, engineered a synthetic molecule based on one found in a llama’s immune system that acts like an antibody but is one-tenth the size.Human antibody treatments, known as convalescent plasma, require a transfusion in a hospital setting. But this smaller molecule, called a nanobody, can be easily self-administered via an inhaler or nasal spray and rapidly manufactured using yeast, Schoof said.The scientists named their product AeroNabs. They say it could be an inexpensive intervention for treating and preventing COVID-19 while the world waits for a vaccine.“We don't know how effective vaccines will be. We don't know how long it will take to rapidly deploy them, so we envision this product as hopefully a bridge until there is widespread, effective vaccination,” Schoof said.Once a vaccine is available, AeroNabs could offer protection for individuals who are unable to be inoculated for health reasons, he said, or an early treatment option.The team is in talks with commercial partners and hopes to begin clinical trials soon.In the 1980s, Belgian scientists discovered that about half of the antibodies in camels, llamas and alpacas are shaped differently than the antibodies found in other mammals, including humans. Researchers later learned they could use a fragment of these oddly shaped camelid antibodies to bind to antigens.Those fragments are called nanobodies.Currently, there is only one FDA-approved drug that uses nanobodies. Caplacizumab was approved last year to treat a rare blood disorder.The team at UCSF sifted through billions of nanobodies to find one that binded best to the spike proteins on the coronavirus, then engineered it to stick even better.The coronavirus uses its spikes to enter cells and replicate; the spikes are essentially the pathogen’s key into the body. By coating the spikes with nanobodies or antibodies, the viral key no longer fits into the body’s receptors and the virus can’t get in.“This works in the lab. It needs to be translated into the clinic,” said Schoof.The team at UCSF still needs to figure out the best delivery method, whether it is a nebulizer, an inhaler or a nasal spray. 2524

SAN DIEGO (KGTV) -- San Diego County is no longer abnormally dry, according to a new report from the U.S. Drought Monitor. The report shows a large swath of Southern California having no drought. Most of California, however, remains abnormally dry, according to the report. RELATED: Check today's San Diego County forecastThe report, out Thursday, comes days after much of Southern California saw copious amounts of rain. According to the National Weather Service, the San Diego International Airport measured nearly four inches of rain since October 1st. Meanwhile, Campo saw 6.45 inches of rain and Ramona totaled 5.55 inches during the same time period. Click here to view the full report. 701

SAN DIEGO (KGTV) — San Diego Mayor Kevin Faulconer says the city's Get It Done mobile app has led to thousands of tons of trash being removed.In the app's first three years, more than 7,000 tons of trash, debris, and waste has been removed from public spaces around the city.The city broke that number up into:Illegal dumping/litter removal - 4,440 tons of wasteEncampment debris cleanup - 2,528 tons of wasteThe app was made available in 2017 to encourage residents to report trash and other concerns in their neighborhoods. Since then, city crews have responded to more than 6,500 reports and conducted more than 32,000 proactive cleanups.The average response time has also shrunk from 25 days in 2017 to five days in 2020, the city says.Council members have also been able to use the data received from the app to identify hot spots in their districts.The app is part of the city's "Clean SD" program. The program was born out of a need to clean unsanitary areas in the public, including homeless encampments, according to the city. Since 2017, the city has sanitized and power washed 18,000 city blocks, or about 1,800 miles of sidewalk."Clean SD is all about restoring a sense of pride in our communities and making sure our neighborhoods are clean and safe for everyone. Our cleanup crews have accomplished that and so much more," Faulconer said this week from the site of a frequent illegal dumping site in Paradise Hills. "This has truly been a citywide push to beautify our neighborhoods and we encourage San Diegans to keep using the ‘Get It Done’ app to report issues that we need to address in their community." 1631

SAN DIEGO (KGTV) -- San Diego Police are asking for the public’s help identifying a suspect in several Mission Valley vehicle burglaries. According to police, three separate vehicles were burglarized in a parking garage on the 2200 block of Camino de la Reina on August 16 between 2 and 5 a.m. Surveillance video captured the suspect using a flashlight to look into several vehicles in the garage. The suspect then broke into the vehicles by shattering windows, taking miscellaneous items, police say. The suspect is described as a white male with a medium build last seen wearing dark colored, framed glasses, a black t-shirt with a white image on the front, blue jeans and black and white tennis shoes. He was also wearing a backpack, police say. Anyone with information is asked to call San Diego Police at 858-495-7957 or Crime Stoppers at 888-580-8477. Crime Stoppers is offering up to a ,000 reward for information leading to an arrest. 953

SAN DIEGO (KGTV) - San Diego military veterans who served during World War II and the Korean War boarded a special flight at Lindbergh Field Friday morning. 164