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SAN DIEGO (KGTV) - Mesa Biotech, based in San Diego, has received FDA approval for its rapid COVID-19 tests that can produce results in about half-an-hour.“Our first kits are going out today to some of the health systems, county health departments, to validate the performance against the existing testing,” said Laura Dullanty, a marketing manager at Mesa Biotech. She said it will still take a few weeks before they will be able to deploy them widely to the health care providers who have requested the tests. RELATED: Will you qualify for a ,200 COVID-19 stimulus check?One of the issues has been purely logistical.“In a typical manufacturing line there are a lot of people really close together. Even that's been a challenge to plan that,” said Dullanty. “We’re staggering shifts, taking time in between, cleaning the area well.” Right now, most tests are performed on-site then sent to a lab for processing. It can take several days or longer before a patient knows the results. RELATED: Dyson designs ventilator in 10 days, plans to make 15,000 of them to combat pandemicThe Mesa Biotech rapid test is based on the same PCR technology, but can be performed and processed at the point of contact, such as a hospital, urgent care clinic or a cruise ship infirmary. “We’re estimating having 5,000 - 10,000 a week,” said Dullanty on their production estimates. “Our discussion now that we are authorized is how do we scale that up?” The first batch should be shipped to providers in the next few weeks but it’s up to the health care systems to decide how and when to use them. RELATED: Company working to get FDA approval for fast COVID-19 test“There are some critical patients that maybe need the answer sooner. They are going to screen them in the ER. If it's a negative, they can release them and free up the hospital bed a day sooner,” Dullanty explained. 1871

SAN DIEGO (KGTV) - It has been yet another wild week of political news in San Diego. Congressman Duncan Hunter dominated our coverage for most of the week, and when accusations of misuse of campaign funds broke, we had an opportunity to get his side of the story from his father, former Congressman Duncan Lee Hunter. That did not sit well with some of our viewers. And for the first time, we were called "Fake News" from the left. Take a look for yourself in this week's Let's Talk. RELATED:  511

SAN DIEGO (KGTV) -- Local nurses are rallying for more protective equipment at our hospitals. 10News spoke with healthcare workers treating patients with coronavirus who say they're terrified for their own safety. ICU nurse, Michael Kennedy, describes what it's like on the front lines of Covid-19 at UCSD Medical Center in Hillcrest. "As you can imagine it is kind of chaotic," said Kennedy. "We're basically having to beg for masks."He, like many other health care workers, is raising a sobering flag, saying they do not have enough face masks to protect themselves. Kennedy says they've been instructed to wear bandanas instead. USCD nurses held a rally to fight back against the shortage Friday morning. "We’re already rationing supplies and we are not getting the kind of transparency we need from UCSD, from state and local officials about what we have."It's a problem reported nationwide. The demand for personal protective equipment is soaring past supply. Here in San Diego, 10News has covered stories of the community coming together to fix that problem by donating supplies and even sewing together homemade masks. County Supervisor Greg Cox acknowledged the problem at a press conference Thursday. "We had a problem with the N95 masks that were in short supply," said Cox. Kennedy is now hoping the problem doesn't get even worse. "If we experience a surge tomorrow, would we have the kinds of things we need or would we be wearing trash bags?10News reached out to UCSD who provided the following statement from Michelle Brubaker, Associate Director of Communications and Media:"Currently, UC San Diego Health has sufficient supplies of personal protective equipment, including masks and respirators, to meet the needs for patients and health workers alike.But like all health systems across the region and country, we are pursuing every avenue to diversify and increase our supply and to ensure continuing, effective levels of protection, not just in the moment but for weeks and months to come. These efforts are based upon CDC and World Health Organization guidelines regarding PPE use and are in accordance with the California Department of Public Health, San Diego County Public Health and University of California.PPE is available to nurses for any potential COVID-19 patient. PPE for COVID-19 patients is the recommended CDC PPE practice." 2367

SAN DIEGO (KGTV) — In the race for a coronavirus vaccine, scientists often say we need more than one winner.That’s in part because different vaccines use different strategies to provoke the immune system, and each strategy has different strengths.Take the inactivated virus vaccine, an approach currently used in the vaccine against the poliovirus. In this approach, scientists take a live virus, kill it with chemicals or heat, and then introduce that viral corpse into a person.There are three groups in the final phase of human trials using inactivated coronavirus, primarily in China, according to a tracker from the Milken Institute.“The immune system can tell the difference between something that's a real threat and something that's not a threat, and so if you get injected with a dead virus your immune system has the tendency to not pay a lot of attention to that,” said Dr. Shane Crotty of the La Jolla Institute for Immunology.The downside of the inactivated virus approach is that it only elicits two out of the three of the parts of the immune system, Dr. Crotty said. It’s capable of producing antibodies and helper T-cells, but not killer T-cells.The modern take on the inactivated virus approach is called a viral vector vaccine.In this strategy, scientists combine elements of the coronavirus with a common cold virus called an adenovirus that won’t make you sick. Since the virus is alive, it can elicit all three kinds of immune responses, Dr. Crotty said.“There are no licensed vaccines right now that use that strategy, but there are all kinds of vaccine trials that have been done around the world with those types [of vaccines] showing that they're straightforward to manufacture. They're very safe,” he said.The University of Oxford is testing a viral vector vaccine for COVID-19 in a Phase 3 clinical trial.Then there are subunit vaccines. These include just a section -- or subunit -- of the virus’ protein.UC San Diego is working on a coronavirus candidate vaccine using this approach.There are subunit vaccines currently on the market for tetanus and other viruses.“Working with proteins is more challenging, just from a laboratory and manufacturing perspective,” Dr. Crotty said.Enter the next phase of vaccine development. Instead of using the virus itself or fragments of it, Inovio Pharmaceuticals is working on a vaccine strategy using just the virus’ genetic information.DNA-based vaccines simply introduce a genetically engineered blueprint of the virus into a person, and the cells do the rest.“Some people get confused about this. They think it’s a genetic vaccine that changes their DNA and becomes part of them, and that’s definitely not the case.” Dr. Crotty said. “They don’t become part of you. Your body chews them up.”Researchers have been working on DNA-based vaccines for about 20 years, Crotty said, but none are currently licensed for use.San Diego-based Arcturus Therapeutics is using an RNA-based approach, along with other companies like Pfizer and Moderna that have entered Phase 3 trials.Messenger RNA reads the DNA instructions and helps translate them into proteins.Dr. Crotty said the DNA and RNA approaches have similar drawbacks and benefits: they’ve never been approved for us, but both can be developed rapidly because they don’t require access to the physical virus.Around the world, there are more than 200 coronavirus vaccines currently in development, according to the Milken Institute. 3459

SAN DIEGO (KGTV) -- Local agencies voiced their support for the two Los Angeles County Deputies were ambushed and shot while sitting in their patrol car Saturday night.The San Diego County Sheriff’s Department shared a message of solidarity on Twitter late Saturday night, saying department staff are sending thoughts and prayers.The San Diego Police Department and San Diego FBI also reacted to the shooting.All of us at @SDSheriff send our thoughts and prayers to @LASDHQ after two of their deputies were shot in the line of duty. https://t.co/n7eQHs9eUc— San Diego Sheriff (@SDSheriff) September 13, 2020 Tonight, our thoughts and prayers are with @LASDHQ as two of their deputies are fighting for their lives. The two deputies sustained multiple gunshot wounds in an ambush attack as they sat in their patrol vehicle. https://t.co/JXtgtF1wkw— San Diego Police Department (@SanDiegoPD) September 13, 2020 The FBI San Diego Division stands in solidarity with the Los Angeles County Sheriff's Department tonight. Two of their deputies are fighting for their lives after being shot in an ambush tonight. @LASDHQ https://t.co/elvH9SzNaU— FBI San Diego (@FBISanDiego) September 13, 2020 RELATED: Two Los Angeles Sheriff's deputies shot in ambush attack at Compton train stationThe 31-year-old female deputy and 24-year-old male deputy were shot as they sat inside their patrol vehicle just before 7 p.m. at the Metro Blue Line station in Compton.Authorities in LA said both deputies were rushed to the hospital with multiple gunshot wounds. Both deputies are in critical condition, the department said.Video shows the suspect approaching the deputies from behind the vehicle before walking along the passenger side, raising a pistol, and opening on fire.The shooting also sparked a protest outside the hospital where the deputies were taken. Authorities said on Twitter that demonstrators shouted “we hope they die.” 1922