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SAN DIEGO (KGTV) -- We’ve known for a while that COVID-19 hits people over 65 especially hard, but a study published Wednesday from researchers in San Diego offers new insight into why that happens.The numbers are staggering: if you’re 65 or older, your risk of winding up in the hospital from COVID-19 is five to 11 times higher than someone under 30. Your risk of death is at least 90 times higher, according to data from the Centers for Disease Control and Prevention.Researchers at the La Jolla Institute for Immunology say the reason why older people fare so much worse appears to be from a lack of T-cells, a type of white blood cell that can decline with age.“Some viruses get controlled by one part of the immune system. Some viruses get controlled by another. In this case it seems that T-cells really do a lot of the work,” said Dr. Shane Crotty, one of the authors of the study published Wednesday in the journal Cell.Dr. Crotty and his colleagues looked at 50 people infected with the virus, and they measured the three elements of the adaptive immune system in detail: antibodies, helper T-cells and killer T-cells.Then they compared the measurements to how people fared against the virus. Some patients in the study group had severe cases, others had mild infections.The researchers found that people with all three branches of the adaptive immune system tended to fully recover. People with severe cases of the virus often lacked one or more of the immune branches, and it was particularly evident in older people.“Our data indicated that of the older individuals, it was particularly the ones that had fewer T-cells to start that look like they really struggled to control this virus,” Dr. Crotty said.As we age, we have fewer T-cells to send after invading pathogens. “That collection of T-cells gets smaller. So it’s harder to recognize a new virus,” Crotty said.Among the 748 deaths in San Diego County reported as of Wednesday, 87% were people aged 60 and older.The findings from LJI may have implications in the search for a vaccine against COVID-19. The data suggests that vaccine-makers may want to target a drug that elicits all three branches of the immune response, Dr. Crotty said. Some vaccine approaches, such as inactivated virus vaccines, only elicit two of three branches, not killer T-cells. However, Crotty said it was too soon to rule any candidates. Two strong branches produced by a vaccine could potentially cover for the lack of a third, he said.Crotty said the findings could help vaccine-makers interpret results from the clinical trials and find the right dosing.“Is a given vaccine a good vaccine, and you just need a booster immunization?” he said. “Does it work well in one population but it doesn’t help in the elderly because it doesn’t generate a T-cell response, for example? Those are the scenarios when this type of knowledge will come into play.” 2906

SAN DIEGO (KGTV) - Two San Diego nursing homes are now dealing with positive cases of COVID-19. La Vida Real, an assisted living center in Rancho San Diego, confirmed to 10News that four of its staff members have tested positive for coronavirus.The facility is one of 32 owned by the Senior Resource Group. It’s the second local assisted living center to be hit with COVID-19. This Wednesday, San Diego County officials confirmed to 10News a positive case at Stellar Care Center, just south of the College Area. Across the country, concerns over the spread of the virus in nursing homes keeps growing: In Kirkland, Washington, an outbreak at the Life Care assisted living center lead to at least 35 reported deaths. In Louisiana, eleven deaths have now been linked to a retirement community out of New Orleans. In Mount Laurel, New Jersey, three patients at a nursing home have now died after testing positive.La Vida Real issued a statement to 10News, detailing how the company is handling the coronavirus cases:"La Vida Real has communicated with residents and their families, and is in close contact with San Diego County health officials, after learning that four staff members in our assisted living and memory care building tested positive for COVID-19. We are monitoring the situation closely and requiring all staff in the assisted living and memory care building to wear masks when inside the building and use personal protective equipment when interacting with residents showing any symptoms, per CDC guidelines. Out of an abundance of caution we are also working with the health department to test one additional employee and four residents in memory care.We will continue to follow CDC and public health department guidance and take the steps necessary to protect the health and safety of residents and staff. We are committed to continue the rigorous protective measures and precautionary actions we have implemented in this challenging environment. And while the effects of this virus are impacting everyone, we take protecting our residents and employees very seriously."Additionally, the organization says they continue to take extensive precautionary measures for residents and staff at the community, including:Visits are limited to essential visitors only. (Adults over the age of 18 who are medical providers, hospice care providers, or visitors of residents who are at the end of life.)All visitors and employees must complete an extensive screening process including travel and health questions as well as have their temperature read.Essential visits may only occur in resident rooms.All visitors and employees should practice precautionary measures such as use of sanitizers, hand washing and social distancing. Our onsite restaurant and communal dining rooms have been closed. Residents are being offered multiple menu choices and snacks delivered with complimentary room service.All community events have been canceled until further notice.Virtual activities, aimed at engaging our residents physically, intellectually and spiritually are being encouraged throughout the community. 3114

SAN DIEGO (KGTV) — Toni Beery and her husband Jonathon have their hands full trying to get Old Town’s Hungry’s Kitchen and Tap back up to speed.“There’s just not a lot of foot traffic, still, during the week especially,” Toni says. “We’re just trying to take it day by dayThey're trying to bring employees back and working to survive amid social distancing requirements. One new task on their plate is employee temperature checks and monitoring.New technology, however, is doing that for them. It’s called the GoSafe, a stand-alone tablet two San Diego companies developed. Using Qualcomm's chips, San Diego-based OneScreen built a device that takes temperatures and uses facial recognition to allow or deny access to different workplaces and schools.Additionally, the GoSafe can assist health investigators in contact tracing. If someone shows an elevated temperature, it will have a record of who else scanned in around the same time.“It is not only a race against the vaccine, it is a race to go back to normalcy,” said Sanjeet Pandit, Qualcomm’s director of smart cities.San Diego’s Fluid Sound is now working to install the devices at businesses around our region.It recently did so as a test at Hungry’s, and demonstrated how it can reject access for people without masks. The device’s MSRP is ,995.“If you think about the labor cost associated with implementing a health screening process for any business, big or small, it's a significant labor cost,” said Dennis Pappenfus, CEO of Fluid Sound. “This is more of a one-time cost and you've got a pretty good process off to the races."Nationwide, 2,000 of the devices have already sold.In addition to Hungry’s, a spokesman for Fluid Sound says the devices are installed, or could soon be, at places such as Qualcomm headquarters, The Port of San Diego, and the University of San Diego.In a statement from USD, a spokesperson says GoSafe is one device they've considered in their reopening plans."As the University of San Diego prepares for the re-opening of our campus in August, the Return to Work Task Force is looking at a variety of devices and safety procedures to keep our students and employees safe as they return to the office and the classrooms. While GoSafe is one device we have been presented with, it is not the only temperature device we are currently assessing and demoing, no purchases have been made yet. We continue to search for the best technology available to keep our campus community safe and healthy," Lissette Martinez, senior director of media relations, said.A spokeswoman for the Port of San Diego says the agency ordered three of the devices, which will be delivered Tuesday. 2672

SAN DIEGO (KGTV) -- Underwater robots showcased difficult tasks and the teams in charge of the technology are hoping to take the crown for the 21st International Robosub Competition in Point Loma.A total of 47 teams from 10 different countries came together with one mission, navigate their robots through a tricky underwater course."We have mechanical, electrical, and computer science, and it's all coming together to make one cohesive vehicle,” said David Garcia, one of the team members from Cal State.Students were able to check out each other’s models to learn what sinks and what swims. For those who think the competition is all fun and games, meet Chinoros Nakthewan from Kasetsart University in Bangkok.His team was part of the Thai cave rescue effort. At the time, they determined that his robot wouldn’t be able to reach the survivors, so they resorted to using their other equipment."We made a decision to bring sonar and drone to observe the high level of the cave,” said Nakthewan. That was one of the many things credited with the successful rescue of the entire soccer team. 1099

SAN DIEGO (KGTV) - Winter weather swept through San Diego Sunday, making a dent in fire danger, according to a National Oceanic and Atmospheric Administration Meteorologist."This is very good timing," NOAA Meteorologist Alex Tardy said, referencing the heavy rain across the county and even some snow that fell in places like Santa Ysabel in east county.Tardy said this year's heat broke records, "we exited a summer... is all time hottest for places like Escondido, Campo, Borrego Springs, Palomar Mountain. That whole corridor, which is most of San Diego except the immediate coast, the hottest period from June through October on record so that's made our fuels drier than they've ever been."The heat leaving San Diego vulnerable to a devastating fire season."We had the Valley fire in September, it could have been a lot worse, so this rain doesn't end our fire season but it puts a huge dent in it," Tardy saidThe winter forecast is fairly dry. Tardy said San Diego will be on the edge of some storms and may get a little relief from that but it won't be enough to keep us out of a drought."Regardless of getting a few storms that could give us heavy rain, a drier than average winter that's predicted starts putting us into the long term drought scenario and you never want to go into that especially considering it took us so long to get out of the one we were in a few years ago," he said. 1405

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