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SEATTLE (AP) — Researchers say a London man appears to be free of the AIDS virus after a stem cell transplant. It's the second such success including "Berlin patient" Timothy Ray Brown.Such transplants are dangerous and have failed in other patients. The new findings were published online Monday by the journal Nature.The London patient has not been identified. He was diagnosed with HIV in 2003. He developed cancer and agreed to a stem cell transplant to treat the cancer in 2016.His doctors found a donor with a gene mutation that confers natural resistance to HIV.The transplant changed the London patient's immune system, giving him the donor's HIV resistance. 674

Scientists and medical professionals across the country are working to learn about the coronavirus’s effect on children. There's still a lot they don't know about how the virus affects children.With children often not showing as many symptoms as adults, experts say kids can help us learn more about the novel coronavirus. Dr. Beth Thielen, a pediatric infectious disease physician and professor at the University of Minnesota, says people could be looking to children, especially as they go back to school, to find out more about the coronavirus."I mean, I hope so. I think this provides a very rich opportunity to understand a lot of basic things about the immune system and why diseases manifest differently in adults and children," says Dr. Thielen.Dr. Thielen says from possible protective measures of the MMR vaccine in children to t-cells, there's so much people can learn from how children's bodies combat viruses."It is thought that t-cells play a substantial role in helping to clear viral infections from the lungs. There are people looking at t-cell responses but they've lagged a bit behind with the data coming out on t-cell responses hasn’t been as prominent as the antibody studies," says Dr. Thielen. She adds, the reason people are looking at t-cells and children is because t-cells decline with age."I think they are critical. We all have them, they work to protect us from infection and potentially they are more efficacious in younger people potentially. Although, I think that really hasn’t been clearly worked out for SARS COV2," says Dr. Thielen.Dr. Jay Varkey, an epidemiologist at Emory Hospital in Atlanta, Georgia, agrees. Dr. Varkey says scientists are also looking into why children older than 10 years old, are more likely to have more serious symptoms with COVID-19."I think the reasons for that are complex. I think part of that might be related to some sort of existing t-cell immunity, and to what that is whether that’s to memory cells that are acting against a previous seasonal coronavirus that would just cause cold like symptoms, or whether its related to something more complex -- I don't think we’re there in terms of understanding," says Dr. Varkey.Dr. Varkey says, while children can help us understand COVID-19 better, it's also up to the adults to make sure they're growing up in a healthy, safe environment."We will learn much from kids but one of the messages we’ve been emphasizing in the hospital is that if we, again- and I answer this both not just as an infectious disease physician but also as a parent to two school age kids--we as adults have a responsibility to try and make our community safe to actually allow in-person learning," says Dr. Varkey."I think that we often think of children as getting a lot of these infections and the fact of the matter is most adults are getting exposed, as well, but our immune systems are sort of experienced at seeing them and we don't get sick," says Dr. Thielen.Dr. Thielen is a member of the Pediatric Infectious Disease Society and says she and other doctors in their scientific groups are advocating for more pediatric research to truly understand how certain diseases, including COVID-19, behave in children. 3217

SANTEE, Calif. (KGTV) -- Following hours of public comment and discussion, the Santee City Council approved a massive housing development that has been in the works for decades.Late Wednesday evening, the council voted 4-1 in favor of the Fanita Ranch project. The development was first proposed in 1999 and has gone through several revisions.The project includes nearly 3,000 new homes, as well as plans for a school, parks, and open space. Changes to state Route 52 are also a part of the plan.The development will be located north of SR-52, west of Eucalyptus Hills, off Magnolia Avenue and Cuyamaca Street.Fanita Ranch supporters have argued that more homes are needed in the area, but opponents believe the project would create a traffic problem, especially during an emergency situation like a wildfire. Noise and environment-related concerns have also been raised.The developers, HomeFed Corporation, said they have solutions for many of the issues brought up by project opponents, including evacuation routes in the event of an emergency.HomeFed also said the project would bring more jobs and revenue to the city of Santee.The project would be completed in four phases and would be finished in 10-15 years.Prior to the vote, some Santee residents asked the council to table the issue and allow them to have a vote on the land use with Measure N on the November ballot. 1385

Scientists have accidentally developed a plastic-eating enzyme that may be used to combat one of the world's worst pollution problems.Researchers from Britain's University of Portsmouth and the US Department of Energy's National Renewable Energy Laboratory (NREL) made the discovery while examining the structure of a natural enzyme found in a waste recycling center a few years ago in Japan.They say the enzyme, Ideonella sakaiensis 201-F6, is able to "eat" polyethylene terephthalate, PET, which was patented as a plastic in the 1940s and is used in millions of tons of plastic bottles. 596

SAN MARCOS (CNS) - Palomar College will break ground today on a new on-site food pantry that will help meet the massive demand of students facing food insecurity.The future Anita and Stan Maag Food and Nutrition Center will offer a modern, bigger home for the college's food pantry, which has been in operation for over three decades. The new building is scheduled to be built by early summer, according to the college.Related: Saving food to save moneyFood is distributed to students on Thursdays. The line is frequently out the door by noon and all of the pantry's food is given away by the end of the day to students in need of assistance.The new center will have a refrigerator in order to keep produce and dairy and a staging area that will allow the center to accept more food from North County Food Bank.Related: El Cajon food ban dismissedThe new building is being funded by a 0,000 donation from Bob Wilson, a friend of the Maags, according to the college. 976