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SAN FRANCISCO (KGTV) – The first case of coronavirus with unknown origin has been confirmed in Northern California. The resident hasn’t traveled overseas since the outbreak began, the CDC said Wednesday. It’s unknown how the patient got the virus. "At this time, the patient's exposure is unknown. It's possible this could be an instance of community spread of COVID-19, which would be the first time this has happened in the United States. Community spread means spread of an illness for which the source of infection is unknown," the agency said in a statement. RELATED: CDC: A clean shave lowers coronavirus chances when wearing a mask"It's also possible, however, that the patient may have been exposed to a returned traveler who was infected." The CDC says it’s working with the state and preparing for “possible community transmission.” The public health system in Northern California was able to catch the case. Meanwhile, San Diego’s second coronavirus patient was released from the hospital Monday. UC San Diego Health made said earlier in the week it was no longer caring for anyone with confirmed or possible cases of the virus. 1152

Sears Holdings will close another 63 Kmart and Sears stores following the 2017 holiday shopping season.On Thursday, the company made the announcement to employees at the affected stores, which span 26 states.The closings affect 45 Kmart stores and 18 Sears stores. The stores will stay open until late January 2018. At 15 of the Sears locations, the automotive center will be closed in early December while the actual store will stay open until late January.Sears Holdings already closed 308 Kmart and Sears stores in 2017, according to Business Insider.See the latest announcement, along with the full list of stores closing, in the document below.Clint Davis is a reporter for the Scripps National Desk. Follow him on Twitter @MrClintDavis. Keep up to date with the latest news by following @ScrippsNational on Twitter. 834

SAN PEDRO SULA, Honduras — Hundreds of Hondurans devastated by recent hurricanes have been stopped as they tried to walk towards the United States in the latest attempt at a migrant caravan.Roughly 600 men, women and children tried to walk from the northern city of San Pedro Sula toward the border with Guatemala. But on Thursday they were stopped by Honduran security personnel, who demanded they show papers and coronavirus tests.Hundreds of thousands of Hondurans remain homeless after the November hurricanes. There are concerns about safety at some of the shelters and the potential of rapid coronavirus spread.Last week, Honduran President Juan Orlando Hernández asked for U.S. help, warning that food shortages as a result of crop loss caused by Hurricanes Eta and Iota could spur more migration to the U.S.Aid agencies report nearly 7 million people between southern Mexico and Colombia are in need of assistance following the catastrophic storms, according to NPR.Hurricanes Eta and Iota both came ashore as dangerous Category 4 storms on November 3 and November 17 respectively, making landfall in roughly the same region along the border between Nicaragua and Honduras."Hurricane Eta affected almost all of Central America, including Panama, Costa Rica, Guatemala, Honduras, Belize and Nicaragua," Steve McAndrew, deputy regional director, for the International Federation of Red Cross and Red Crescent Societies told NPR. "And then the second hurricane Iota also had a direct hit on the San Andreas Islands, which are part of Colombia. There's heavy damage and the region's been heavily affected."The region continues to dig out from mudslides. It appears Honduras took the brunt of the storms as they came ashore and slowed down, with more damage and more deaths than Nicaragua.Mudslides in both countries destroyed basic infrastructure like roads, bridges, health clinics and schools; families lost their homes, farms and businesses. 1956

SANTEE, Calif. (KGTV) — Deputies are searching for a man who attempted to lure a child into his vehicle this week.A driver pulled alongside a nine-year-old girl riding her bike in the 8000 block of Poplin Dr. in Santee at about 6 p.m. Thursday and asked her if she would like a ride to a "game," San Diego Sheriff's Department says.The girl became scared and rode her bicycle back to her house. She was not injured, according to deputies. The suspect was described as a Caucasian male, about 60- to 70-years-old, with white hair, and wearing a red hat and chrome sunglasses. His vehicle was described as a 2-door, silver convertible with a black top, possibly a Honda. The license plate is a handicapped plate with the number seven in it, SDSO said.Anyone with information is asked to call Crime Stoppers at 888-580-8477. 829

Scientists are proposing an ingenious but as-yet-unproven way to tackle climate change: spraying sun-dimming chemicals into the Earth's atmosphere.The research by scientists at Harvard and Yale universities, published in the journal Environmental Research Letters, proposes using a technique known as stratospheric aerosol injection, which they say could cut the rate of global warming in half.The technique would involve spraying large amounts of sulfate particles into the Earth's lower stratosphere at altitudes as high as 12 miles. The scientists propose delivering the sulfates with specially designed high-altitude aircraft, balloons or large naval-style guns.Despite the technology being undeveloped and with no existing aircraft suitable for adaptation, the researchers say that "developing a new, purpose-built tanker with substantial payload capabilities would neither be technologically difficult nor prohibitively expensive."They estimate the total cost of launching a hypothetical system in 15 years' time at around .5 billion, with running costs of .25 billion a year over a 15-year period.The report does, however, acknowledge that the technique is purely hypothetical."We make no judgment about the desirability of SAI," the report states. "We simply show that a hypothetical deployment program commencing 15 years hence, while both highly uncertain and ambitious, would indeed be technically possible from an engineering perspective. It would also be remarkably inexpensive."The researchers also acknowledge potential risks: coordination between multiple countries in both hemispheres would be required, and stratospheric aerosol injection techniques could jeopardize crop yields, lead to droughts or cause extreme weather.The proposals also don't address the issue of rising greenhouse gas emissions, which are a leading cause of global warming.And despite the conviction of the report's authors, other experts were skeptical."From the point of view of climate economics, solar radiation management is still a much worse solution than greenhouse gas emissions: more costly and much more risky over the long run," said Philippe Thalmann of the école Polytechnique Fédérale de Lausanne, an expert in the economics of climate change.David Archer of the Department of Geophysical Science at the University of Chicago said, "The problem with engineering climate in this way is that it's only a temporary Band-Aid covering a problem that will persist essentially forever, actually hundreds of thousands of years for fossil fuel CO2 to finally go away naturally."It will be tempting to continue to procrastinate on cleaning up our energy system, but we'd be leaving the planet on a form of life-support. If a future generation failed to pay their climate bill they would get all of our warming all at once." 2830