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SAN DIEGO, Calif. (KGTV) - An open letter to the World Health Organization titled “It is Time to Address Airborne Transmission of COVID-19” is signed by 239 scientists from 32 different countries and highlights the importance of acknowledging and protecting the public against the possibility that coronavirus can be spread through the air. One San Diego scientist who signed is from the UCSD Scripps Institution of Oceanography, Doctor Kim Prather.The idea shared is that COVID-19 can be spread from aerosols, which are particles that float in the air rather than dropping to the ground like a droplet. An infected person breathes out aerosols that are suspended in the air, then another person walks through that air and breathes it in.It’s no secret that heath officials have discussed the importance of good airflow to stop the spread, but this paper says leaders like the WHO are not recognizing the possibility that it is airborne and the “lack of clear recommendations on the control measures against the airborne virus will have significant consequences: people may think that they are fully protected by adhering to the current recommendations, but in fact, additional airborne interventions are needed for further reduction of infection risk.”Researchers say wearing masks and social distancing are important steps to stopping the spread, but want to also emphasize that other steps need to be taken to stop the spread through the air. Some steps for public places include getting better ventilation and decreases crowds. At home, people can open doors and windows and also use air purifiers to help. 1618

SAN DIEGO (KGTV)- San Diego County barely avoided falling back into the purple tier of the state’s reopening system, staying in the red for now.The color-coded tier system has been difficult for many business owners to deal with as they wonder if they will face more restrictions in the coming weeks.“We are working with the state to share our concerns and thoughts about the metrics they are using to put our county in the different tiers,” said Greg Cox, San Diego County Supervisor. "The reality is we remain at risk of being moved to the more restrictive tier in the future if we don’t do those things that we know we need to do.”Dr. Wilma Wooten, the county’s public health officer, said she and other health officers across the state have been pushing for the state to improve its metrics system to go beyond case rate and positivity rate.She would like to see three things happen.“If counties are maintaining hospitalizations and hospital capacities to somehow get credit for that, and also get credit for contact tracing,” she said.Wooten said the county should also get credit for providing access to COVID-19 testing in vulnerable communities hit the hardest.“San Diego has done an excellent job to date of getting access to testing in those communities that are hit the hardest,” she said.On Tuesday, the County Board of Supervisors passed a motion in a 4 to 1 vote to send a letter to the state backing Wooten’s effort in revising the reopening criteria.Wooten is urging members of the public to continue wearing a facial covering, washing hands, avoiding large gatherings, and staying home when sick, especially as flu season is on the way.“We do not have a vaccine for COVID-19, but we have a vaccine for the flu,” she said. “Getting the flu vaccine is the most important step in preventing the flu.” 1822

San Diego shipbuilder General Dynamics NASSCO has notified nearly 1,500 workers that they could be out of a job next month. The shipbuilder, however, says it anticipates letting go of closer to 350 workers. NASSCO says the layoffs are related to a dry dock accident in July that caused damaged to its facilities, although the workers union president says other factors are at play.“We are pursuing all available options to avoid or lessen the impact of these reductions and hope to increase our workforce as soon as possible to support work expected in 2019,” NASSCO president Kevin Graney said in a layoff notice to the state. RELATED: San Diego dry dock floods following barrier collapseThe list of jobs impacted includes 129 welders, 85 electricians, 84 painters and 82 pipe fitters.  Robert Godinez, who heads the Boilermakers Union Local 1998, said the number of potential layoffs is high because NASSCO uses an evaluation system to guide which workers it lays off. Those with the lowest evaluation are out first, and that can change with training.Godinez said he expects the layoffs to last about four to six months until NASSCO can fix its dry dock.  "If they lay off 400, 500, 600, 700, that should cover that notification requirement," he said. The layoffs come after NASSCO held a large hiring fair in April, as it looked to add 800 to 1,000 new welders and shipbuilders.However, Godinez said the shipbuilder did not hire even close to that number. He said Navy repair work fizzled and that a construction project got set back. Additionally, a union newsletter mailed before the accident reported 48 workers had been laid off  - a number too low to trigger a WARN public notice.  “People weren't ready for this, they weren't ready for the layoff,” Godinez said. “They were walking into the shipyard, they were watching these humongous banners that they’re going to be hiring like crazy and everyone’s on the upswing, and all of a sudden the layoffs start.”At the time of the accident, the fire department said a barrier that keeps water from going into the ship collapsed, leading to a flood. No one was hurt. Godinez said 4 million gallons of water rushed in and hit a 70,000 ton ship. That damage is delaying the next order, leading to the potential layoffs.NASSCO spokesman Dennis DuBard pinned the layoffs to the July 11 incident, and said the company is working to remedy the situation. 10News has since inquired about issues related to the April hiring event. “We are working diligently so not all employees who were notified will be affected. We regret the impact this will have on employees and their families,” DuBard said. “The company has arranged a variety of programs and resources to assist those who will be affected.”Godinez said the union would be working to arrange for additional training for workers who could be laid off, so they can find new jobs.  3023

San Diego, CA (KGTV)- Some high school students in the Grossmont Union High School District will return to partial in-person learning starting on September 29.Sixty-eight percent of parents surveyed districtwide wanted their high school students to return to an in-person, blended learning model, while 32 percent wanted their students to stay in full-time distance learning from home.The district is moving forward with both options.Starting Tuesday, some students will be back on campus with limitations."Students have to be divided into smaller groups," said Theresa Kemper, the district's superintendent.If parents chose the blended learning model, their student has been assigned to Group A, Group B, Group C, or Group D, based on factions like students per household, transportation needs, and course schedule."They each will come to school one day a week," she said.The group placement determines which day the students will come to campus; they will be learning from home the rest of the time.The district created a roadmap for reopening, which includes five levels."We want to make sure that we're really confident with new routines that have been established, we want to make sure the county health conditions are continuing to improve," said Kemper.All schools in the district have been operating at Level 1, which is strictly distance learning.Level 2 begins next week and allows students to learn on campus one day a week, with 25 percent of the campus population, in class sizes of eight to twelve students."Our Special Education academies and alternative schools are also starting at Level 2, but will attend two days a week instead of one," she said.All students will be screened and have their temperatures checked before entering the classroom, teachers, and staff will be tested for COVID-19 regularly, and everyone will be required to wear facial coverings.The schools will also be deep cleaned each day, and students will be physically distanced from one another."If everything looks good, after about two weeks, we could potentially announce going to the next level," said Kemper.By level five, students will be back on campus five days a week.Kemper said the district is taking a cautious approach and has plans in place if a school needs to jump back a level at any time."If we change from two days a week to one day a week, then we already got a plan in place, and it's easy to transition to that," she said. "I want parents and students to know we are so excited to see him, there's no place like school." 2539

SAN DIEGO (KGTV) --The FDA has placed new restrictions on a controversial birth control device called Essure.  The maker of the implant, Bayer, will only be allowed to sell to providers who agree to fully inform women about the risks and side effects.  A San Diego woman who had the Essure implant is now suing the physician who performed the procedure.  She says she wasn't given enough information and wants to warn others about her experience.  Three months after Essure was implanted she began experiencing severe pain. She eventually had a full hysterectomy.   603