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SANTA ANA, Calif. (AP) — A Southern California man charged with the murder of a University of Pennsylvania student carried out the killing because the victim was gay, prosecutors said Thursday.A hate crime sentencing enhancement was being added to a murder charge against 21-year-old Samuel Woodward for the death of 19-year-old sophomore Blaze Bernstein, Orange County District Attorney Tony Rackauckas said.Since Bernstein's body was found in January at a park near his parents' Lake Forest, California, home, investigators reviewed Woodward's cellphone, laptop and social media and found hateful materials against a range of groups and substantial evidence Bernstein was killed because he was gay, Rackauckas said.RELATED: High school classmate charged with murder in death of Penn student"We have no room for this kind of hate in our society," Rackauckas told reporters.Woodward, who is from the upscale seaside city of Newport Beach, has pleaded not guilty to the killing. He is being held on million bail and is scheduled for a preliminary hearing on Aug. 22.With the change, Woodward faces a maximum potential sentence of life without parole. He previously faced a maximum sentence of 26 years to life in prison if he were convicted.A message was left for Woodward's attorney.RELATED: Missing Penn student found dead in Orange County ParkBernstein went missing in January while visiting his parents in the tight-knit Lake Forest community of Foothill Ranch, about 45 miles (72 kilometers) southeast of Los Angeles. His body was found in the park nearly a week later buried in a shallow grave.Bernstein went to the park with Woodward the night he disappeared, authorities said. The two had attended the same high school in Orange County. 1754

SAN YSIDRO, Calif. (CNS) -- Vermont Sen. Bernie Sanders held a rally at San Ysidro High School Friday, focusing on his proposals for immigration in his campaign for the 2020 Democratic presidential nomination.The rally at San Ysidro High School touched on an array of topics, from student loan debt, immigration and DACA, climate change, medical care, and President Donald Trump.Watch the rally:In Thursday's debate at Loyola Marymount University in Los Angeles, Sanders said that on his first day as president he would "restore the legal status of 1.8 million young people in the" Obama-era Deferred Action for Childhood Arrivals (DACA) program.Opponents say the program rewards people for breaking the law, encourages illegal immigration and hurts American workers.Sanders also said Thursday that on his first day as president he would "change border policy so that federal agents will never snatch babies from the arms of their mothers" and "introduce bipartisan legislation, which will, in fact, be comprehensive, which will result in a path toward citizenship for all of the 11 million who are undocumented."Sanders also favors expanding the Deferred Action for Parents of Americans policy to bar deportation of parents of children who are either American citizens or lawful permanent residents.Sanders backs completely reshaping and reforming the immigration enforcement system, including fundamentally restructuring Immigration and Customs Enforcement, and establishing standards for independent oversight of relevant agencies within the Department of Homeland Security. 1585

Scientists, doctors and the public are eagerly waiting to hear how effective a COVID-19 vaccine will be and how soon it could be available to everyone. But when the vaccine is ready, some will be racing to be first in line, while others will be cautiously waiting to see how it plays out."Only about half of people get a flu vaccination polls are showing. In terms of the coronavirus, that’s saying that a third to maybe as much as half of the population will not want to get a vaccine," said Arthur Evans, the CEO of the American Psychological Association.Evans is concerned about whether people will be willing to get the COVID-19 vaccine when it comes out. How people are educated about the upcoming vaccine will be crucial."Right now, I think there are a lot of people who want to take a vaccine and to get a vaccine, but if people feel that this has been rushed, that they don’t feel all of the normal safety measures have been taken, it's going to be much harder for people to take that step," explained Evans.Dr. Bali Pulendran, a pathology, microbiology and immunology professor at Stanford University, says just because a COVID-19 vaccine is being expedited doesn't mean it's any less safe."It's a very established, lengthy process. It’s expedited now because of certain technologies such as the mRNA technology that really helps you accelerate this process," said Dr. Pulendran.He says the creation of a vaccine is rigorously tested, first with mice, then primates, and finally, humans. Tens of thousands of people are currently choosing to participate in COVID-19 vaccine trials."And so, this is a development and paradigm that has served vaccinology really well. It's really served it well in terms of enabling the licensure of some 20 or more vaccines," said Dr. Pulendran.Dr. Pulendran says every year, the flu vaccine varies in efficacy. For a good year, it could be 90 percent protective, while the next year, the flu shot may only be 10 percent effective. The COVID-19 vaccine is expected to be 60 percent effective."I think for me, personally, if I saw a vaccine coming out in the next year or so that had a 60 to 70 percent efficacy, that to me would be very encouraging," said Dr. Pulendran.The public, though, may still need some convincing."One of the hardest things for the general public to embrace is the idea of probability. We like to know definitively if something works or not,” said Evans. “The reality is that a vaccine is a probabilistic issue. It's highly likely that you won’t contract, whatever the condition is, but it’s not 100 percent."Evans says the key will be in how the vaccine is marketed to the American public.Dr. Pulendran hopes any positive data and outcomes of the COVID-19 vaccine trial will encourage as many people as possible to get the vaccine when it comes out. 2823

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

SAN JUAN, Puerto Rico (AP) — Reggaeton superstar Bad Bunny has tested positive for the coronavirus. Monday's announcement by his publicist comes a day after the musician won favorite male Latin artist and favorite Latin album for “YHLQMDLG” at the American Music Awards. Bad Bunny, whose real name is Benito Martínez Ocasio, was scheduled to sing his hit, “Dákiti,” with Jhay Cortez, but was forced to cancel. No reason was given at the time, leaving many fans disappointed.Publicist Sujeylee Solá told The Associated Press that Bad Bunny wasn’t showing any major symptoms as of Monday. She did not provide further details, saying only that the musician was not granting any interviews. 694