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SAN DIEGO (KGTV) — As wildfires continue to burn in California, researchers say they may be adding fuel to another emergency: the pandemic.Parts of the Golden State have been buried in a blanket of smoke for weeks. Wildfire smoke is a mixture of many pollutants, but the majority consists of tiny particulate matter called PM2.5, which can also be produced by cars and power plants.“It’s a threat amplifier,” said Dr. Abisola Olulade of Sharp Rees-Stealy Medical Group.In April, researchers at Harvard found that just a small increase in this kind of air pollution led to an 8% jump in the death rate from COVID-19.Studies have shown that air pollution from these tiny particles can increase the risk of death in older adults from other causes, but the Harvard researchers found the increase from COVID-19 was 20 times larger.Why? The most widely accepted theory is that smoke particles, which can burrow deep inside the lungs and enter the bloodstream, can add a layer of health complications for people already fighting the virus.“People that are already fighting off a COVID-19 infection already have compromised heart and lung function if they have severe illness,” Dr. Olulade said. “So that can increase their susceptibility to the effects of wildfires.”The particles can contribute to more inflammation and potentially lead to blood clotting, she said.“Any chink in the armor, so to speak, is going to really make people have trouble maintaining” the body’s stressful fight against the virus, said Dr. Christian Ramers of Family Health Centers of San Diego.Another theory from early COVID-19 research that hasn’t been peer-reviewed: smoke particles could allow the virus to travel farther and survive longer, potentially allowing it to spread to more people. Both Dr. Ramers and Dr. Olulade said there was less research to support this theory.“What makes the sky look hazy when there’s smoke? It’s particles. So it's conceivable, again this is kind of conjecture, but it's conceivable with more particles in the air then yes the virus can latch onto those particles a bit more,” said Dr. Ramers.Doctors say there’s stronger evidence to suggest that wildfire smoke could help the virus enter a healthy person’s body. Not only does smoke wear down the protective lining of our airways, it stimulates certain receptors in the lungs -- the exact receptors that the spike proteins of the coronavirus use to get inside cells.“The virus binds to those ACE2 receptors, so if you have more of them, it can increase the viral load,” said Dr. Olulade.All kinds of air pollution put us at greater risk from respiratory diseases like coronavirus, not just wildfires. But one thing is for sure: Californians have been exposed to a lot of smoke lately.Since the beginning of the year, wildfires in California have burned more than 3 million acres, according to CAL Fire. That’s an area larger than the entire County of San Diego. 2929

SAN DIEGO (KGTV) - Construction is underway on upgrades to Pacific Beach Middle School. The campus will get a new 2-story building, featuring 26 state-of-the-art classrooms, as part of a "Whole School Modernization" project.Other aspects of the project include renovations to the existing cafeteria and library media enter, as well as a new HVAC system for the auditoriums and science classrooms."We'll have classrooms that represent 21st-century learning spaces," says SDUSD Facilities Communication Supervisor Samer Naji. "You're talking about flexible furniture so that the students and teachers can be creative with the way they use their spaces. You're talking about state of the art technology, voice amplification systems, smart boards that the teachers and students can all use."The administration offices will also be moved to a different part of campus, creating a more easily identifiable entryway for visitors."Right now it's a large priority for the campus that we have a secure entry," says Naji. "This ensures that, during the day when kids are in class, there's only one way in and one way out of campus."Security has been at the forefront of many SDUSD projects in the wake of school shootings across the country. District officials say they want to make sure all campuses only have a single entry for visitors. The new layout at PB Middle School will accomplish that goal.The building opened in 1931. Over the years, upgrades and expansions brought it to its current 13.8-acre footprint.Money for the project is coming from voter-approved Propositions S & Z. As part of the renovation, the current two-story library & classroom building will be torn down. Demolition begins in July. The work will be done in two phases, so the school can keep enough classrooms on site to accommodate students.Unfortunately, some of the murals on the current building will be lost in the demolition. The school's principal says they want to work with students and community members to design new murals for the new building.In 2017, SDUSD completed work on a new joint-use athletic field at the Middle School. They also built new parking lots and student drop-off/pick-up areas.San Diego Unified expects the latest project to be finished by the winter of 2021.Full details of the projects can be found here. 2325

SAN DIEGO (KGTV) — Community spirit will come alive across nine blocks in Hillcrest this August.The CityFest Street Fair and Music Festival packs Fifth Avenue with bands, DJs, arts and crafts, and food from 12 p.m. to 11 p.m. on Aug. 11.The half-mile-long celebration, known as "Pride-Light" to locals, brings more than 150,000 visitors to Hillcrest every summer. Visitors will be able to enjoy live music, buskers and street performers, and a special headliner on the grand stage throughout the day. A second electronic music stage brings even more tunes to the party.For arts and crafts, an artist village will bring together several vendors and their creations available for purchase.And on the food side, plenty of vendor will be stationed to deliver a variety of cuisines, including a massive cocktail bar and beer garden. 835

SAN DIEGO (KGTV) — California has rejected San Diego County's request for a tier adjustment after the region was moved into the state's purple reopening tier.The county said that "San Diego’s increased cases are not due to the sectors impacted by moving into a more restrictive tier. County has interviewed cases to identify potential exposure settings and tracked community outbreaks."County health officials say businesses that will be impacted by purple tier restrictions saw the following breakdown of COVID-19 cases in October:Restaurant/bars: 7.4% of COVID-19 cases (715 of 9,646)Retail: 6.6% of COVID-19 cases (636 of 9,646)Places of worship: 1.9% of COVID-19 cases (184 of 9,646)K-12 schools: 1.7% of COVID-19 cases (165 of 9,646)Gyms: 0.4% of COVID-19 cases (39 of 9,646)In reference to October's data, the county said that, "outbreak data also show these sectors make up a small percentage of the cases overall ... Penalizing the impacted sectors for case increases is wrong, as these sectors continue to do the right things, while trying to weather the ongoing pandemic and the back and forth of re-openings."The county pointed to many local restaurants as an example of improving its mitigation efforts and investing in materials to make their settings safe for visitors, adding, "additionally, the closure of indoor restaurants, especially during the wintertime where outdoor dining is not optimal, will move individuals into homes and encourage gatherings, which is one of the high-risk areas for cases."Despite the request, the state decided on Sunday that the county will remain in the more restrictive purple tier.COUNTY'S EXPOSURE DATA (Oct. 25 - Nov. 7)According to county public health officials, between Oct. 25 and Nov. 7, there were a reported 5,576 COVID-19 cases.Of those cases, 3,833 cases were interviewed for contact tracing and 2,260 cases reported at least one of the potential exposure settings:Restaurant/bars: 389 casesBeach: 10 casesCasinos: 20 casesGroup gatherings: 159 casesGyms: 18 casesHair salon or barber: 97 casesPlaces of worship: 118 casesProtest: 0 casesRetail: 308 casesWork: 1,314 casesOther: 158 casesThe county says 1,573 of the 3,833 cases reported no potential exposure settings.Of all the cases between Oct. 25 and Nov. 7, the county says that people reported the possible exposure settings:Household exposure: 1,311 casesTravel-related exposure: 814 casesAny education-related exposure: 172 casesThrough Nov. 7, San Diego County has reported a total of 60,169 COVID-19 cases and 908 deaths from the virus. 2566

SAN DIEGO (KGTV) -- Caltrans is alerting San Diegans of a closure that will shut down SR-163 Wednesday and Thursday nights.According to the agency, all lanes of SR-163 will close between Interstate 8 and Genesee Avenue between 11 p.m. and 5 a.m. Wednesday and Thursday nights.Caltrans says the northbound lanes will close Wednesday night and the southbound lanes will shut down Thursday night. At no time will the road close in both directions at the same time.RELATED: Check traffic conditionsSome of the lanes will begin closing at 7 p.m. with all the lanes closing by 11 p.m. The closure will also include the eastbound and westbound I-8 connector ramps to northbound SR-163. The eastbound Friars Road on-ramp to northbound SR-163 will also be closed.Caltrans says all southbound motorists will be rerouted to southbound I-805. Northbound travelers will be rerouted to eastbound I-8.The closures will take place so crews can continue installing falsework on the Friars Road Bridge. 1002