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Children and the elderly may be good at spreading the coronavirus among their age groups, and young adults may be the primary source of community spread, or “super spreading,” according to a new study.The study, published Wednesday, involved the coronavirus testing results of a large contract tracing effort in two states in India. Researchers had results from more than half a million people from Tamil Nadu and Andhra Pradesh regions traced after more than 80,000 primary, or index, positive cases.They found that only 8 percent of index cases accounted for 60 percent of new infections. And that about 70 percent of infected people did not infect any of their contacts."That's a hugely disproportionate effect. Superspreading has been suspected, but not really documented,” study leader Ramanan Laxminarayan of the Center for Disease Dynamics, Economics and Policy in New Delhi, and also of Princeton University, told CNN.“The greatest proportion of test-positive contacts within most age groups were exposed to index cases ages 20-44 years,” researchers found.While that age group resulted in the highest rate of secondary cases, children under 15 also had high rates of secondary spread among their own age group.During the time period researchers looked at, roughly March through August, schools were closed and there were still high rates of coronavirus recorded among children."While the role of children in transmission has been debated, we identify high prevalence of infection among children who were contacts of cases around their own age," the team wrote in their report, published in the journal Science.The data was collected thanks to rigorous surveillance and contact tracing measures.“Procedures include syndromic surveillance and (COVID-19) testing for all individuals seeking care for severe acute respiratory illness or influenza-like illness at healthcare facilities; delineation of 5km “containment zones” surrounding cases for daily house-to-house surveillance to identify individuals with symptoms; and daily follow-up of all contacts of laboratory-confirmed or suspect COVID-19 cases, with the aim of testing these individuals 5-14 days after their contact with a primary case, irrespective of symptoms, to identify onward transmission,” the study lays out. 2292

CHULA VISTA (CNS) - Energy infrastructure company LS Power unveiled what it is calling the largest battery energy storage project in the world Wednesday in the East Otay Mesa community, intended to enhance the power grid's reliability and reduce energy costs.The Gateway Energy Storage project -- currently operating at 230 megawatts and scheduled to reach 250 MW by the end of the month -- follows another LS Power battery project in Vista. That facility has been operating since 2018 and was previously the largest battery storage project in the United States at 40 MW, the company said."For more than three decades, LS Power has been at the leading edge of our nation's transition to cleaner, more innovative energy solutions, and we are powering up Gateway Energy Storage as one more component of this vision," LS Power CEO Paul Segal said. "Through our investments in multiple sectors of the renewables and energy infrastructure space, LS Power is reducing carbon emissions and improving reliability in the markets we serve."LS Power focuses on solar, wind, hydro, natural gas-fired and battery storage projects in North America. The company has additional projects in development or construction in California and New York, including Diablo Energy Storage with a capacity of 200 MW in Pittsburg, California, LeConte Energy Storage with 125 MW, in Calexico, California, and Ravenswood Energy Storage with 316 MW in New York City. 1442

CHULA VISTA, Calif. (KGTV) -- A Chula Vista Police officer was honored with a Medal of Valor and Purple Heart from the Chula Vista Police Department Thursday morning after being stabbed while on duty in 2017.Officer David Sachs was honored with a Medal of Valor for his “extraordinary bravery and willingness to protect the lives of others, without regard for his own safety” the department said. He was also awarded a Purple Heart for his injuries while on duty.On September 19 of 2017, Officer Sachs along with Officer Leo Banales and Chaplain Wes Anderson responded to a home on Monterey Avenue after receiving a report that a man’s neighbor threw a large piece of concrete over his fence, injuring the victim.RELATED: Chula Vista Police officer who shot man recovering from stabbing?When officers arrived, the victim pointed out the suspect’s house. After knocking on the door, the suspect’s mother answered and invited the officers in.Police say, though they didn’t know at the time, the suspect, described as a 6-foot-tall man in his late 20s, was suffering from emotional or psychological distress.After stepping into the home’s kitchen, the suspect started attacking Sachs with a knife, stabbing him multiple times in the face, head and arm.Police say Sachs was able to knock the suspect to the ground while yelling “Knife! Knife! Knife!” to his partners.The suspect then lunged at Banales with a knife before he and Anderson went outside. According to police, Sachs drew his weapon and told the suspect to drop the knife before the suspect blocked the exit and attacked him again with the knife.RELATED: Officer stabbed, suspect shot three times in Chula Vista?Police say Sachs then moved the suspect’s mother behind him for safety and shot the suspect. The suspect collapsed in the dining room after being struck.After hearing the shots, Anderson went back to the home’s front door to help. After more officers arrived, medical aid was given to the hospital who was taken to the hospital where he later died.Sachs was stabbed six times. Following seven months of recovery, he returned to full-duty and is still serving today.The department released the following statement in a news release Thursday:  2224

CHULA VISTA, Calif. (KGTV) -- As a plume of smoke from a 350-acre blaze spiraled over the South Bay on Thursday night, Chula Vista’s City Council leaders met to review a report that signals a potentially dark cloud in its future.Members of the city’s Growth Management Oversight Commission presented its 2018 compliance scorecard that assesses how well Chula Vista is prepared to face the anticipated rapid growth trend across the county's second-largest city.According to the GMOC’s report for 2018, four service topics are considered “not in compliance” with the city’s threshold and at risk of continuing to be non-compliant in the future: Libraries, Police [Priority 1], Police [Priority 2], and Traffic.GMOC chair Duaine Hooker emphasized that police staffing levels is a major concern.The report shows there is not enough police staffing to adequately respond to both emergency calls and urgent calls, as well as the volume of calls, thus leading to slower response times.“It’s been twenty-two years in a row,” Hooker said about the police department’s failure to meet the threshold. Hooker also warned that he isn’t very optimistic about its 5- to 12-year plan.“They [police staff] did not think they could [accommodate] the growth of the city, it’s not there yet," Hooker said. Hooker and members of the GMOC toured the police department and surveyed officers.Councilmember Stephen C. Padilla, representing District 3, offered the most critical commentary on the rapid growth issues the city is facing."We know we're going to grow, and we know that we're constrained financially," said Padilla."We also know a scary statistic, and that is even with all the money from Measure A and even with reasonable growth we are a long ways off from getting even close to staffing up our public safety to the level, particularly on the police side, that it's going to make an impact," said Padilla."I just think we need to acknowledge that out loud," he added. Measure A is the half-cent tax approved by voters in 2018 to secure funding for additional officers and firefighters, provide faster responses to 9-1-1 emergency calls, and increase police patrols. A plan is in place to hire 43 officers over the next 10 years. So far, nine officers have been sworn in this year. 12 more "sworn and civilian staff" are budgeted in 2020. The current pace falls short of the GMOC's threshold and is way off of the county average. To get to the county average of 1.29 police officers per 1,000 residents by 2023, Chula Vista will have to hire 148 more officers.Padilla recommended to adopt a qualitative method of measuring the city's progress alongside the current GMOC standards.Mayor Mary Casillas Salas followed up Padilla's comments by highlighting Chula Vista's public safety record -- Chula Vista is listed among the safest cities in the state."A look back at the way we have been measuring things, I think an important component of that is outcomes, not just throwing numbers out there but the actual outcomes and what it means to the quality of life for our community," Salas said.The city's "rate of growth is projected to continue or increase over the next five years," the GMOC reported, citing Chula Vista’s 2018 Residential Growth Forecast. TRAFFIC ALSO A PROBLEM ON THE WESTSIDEChula Vista's growth and congestion issues don't only affect the sprawling Eastlake and Otay Ranch areas. Councilmember Jill Galvez, representing District 2, used her time at the special meeting to push for a revitalization on the west side of town."Can we start to look at focusing on improving the infrastructure in northwest Chula Vista to make it safer and more attractive so that we can enjoy the experience of our city," Galvez said. "Our neighbors to our east are enjoying their fields and you don't see them walking around because they have trails set far back from where you typically drive.""Here, we're all kind of using the pavement and even the streets to ride our bikes," Galvez said.Councilmember Mike Diaz, representing District 4, sided with a recommendation made earlier in the meeting that the GMOC report should be heard before the city's budget review process."I'm not sure how much it's going to move the needle one way or the other, but I think we at least need to hear this before budget.""It's going to be many many months before we start talking about [the GMOC report] again, and maybe we forget about those, so I certainly like to see that."Watch the meeting 4480

CHULA VISTA, Calif. (KGTV) — Firefighters put out a 28 acre brush fire that ignited near Lower Otay Lake.Cal Fire confirmed on Sunday that the fire is 100 percent contained and all resources have been taken off the incident.The vegetation fire, dubbed the Otay Fire, was reported by Cal Fire at about 10 a.m. on Saturday near the east side of the lake.Both air and ground resources were used to battle back the flames, according to Cal Fire.No structures were threatened by the fire. 491