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TEMPE, Ariz. — It's a huge breakthrough for the highly contagious and deadly norovirus as researchers at the Arizona State University’s Biodesign Institute have come up with a vaccine made from plants.The norovirus is known as the perfect human pathogen. It can have you feeling awful for days, but researchers at ASU say a form of the tobacco plant may be the key to a vaccine.Also known as the cruise ship illness, norovirus hits nearly 20 million Americans every year. According to Andy Diamos, a post-doctoral researcher at ASU, the average person has the stomach bug five times in their life.“Norovirus is a horrible bug to get,” said Diamos. “It causes vomiting, diarrhea, all sorts of nasty stuff.”There is no vaccine for the highly contagious bug because it's notoriously difficult to produce in a lab, until now, thanks to Diamos and Hugh Mason with the Biodesign Center.“Genetic engineering has allowed us to design systems like plants to produce useful things like vaccines,” said Diamos.By using a form of the tobacco plant, researchers discovered that a harmless bacteria would help grow a norovirus vaccine when the proper genes are transferred to the leaves.“You can basically put in whatever genes you want and transfer those to the plant, so that's how we get the plant to make the vaccine,” said Diamos.According to Diamos, real viruses are surrounded by a shell that protects its genes. The vaccine that grows inside the tobacco plant is essentially that shell without the harmful insides.“If you give that to someone as a vaccine, it looks just like the real virus, but there is nothing on the inside,” said Diamos. “It can't cause disease; it can't actually infect you.”That's what makes these plant-based vaccines safe and effective.“One of the main reasons why we're focusing on plants is because they're so cheap to work with. These vaccines will hopefully be much cheaper to produce than traditional methods,” said Diamos.Many discoveries from ASU researchers hit the market, this one could too, but it needs further study and would eventually need to be picked up by a pharmaceutical company which could take years. 2154

TAMPA, Fla. — Police say that street racing led to the death of a mother struck by a vehicle while pushing her child in a stroller in Tampa, Florida. Three people have been arrested.According to Tampa Police, two cars were street racing down Bayshore Boulevard on Wednesday afternoon when one of the vehicles struck the mother and child near W. Knights Avenue in Tampa.Tampa police say the mother, 24-year-old Jessica Reisinger, and the 2-year-old child were sent to the hospital with serious injuries. Reisinger died at the hospital and the 2-year-old is currently in serious condition.  616

The Barron County Sheriff is asking the public for help in the search for 13-year-old Jayme Closs, who went missing after her parents were shot to death in their Barron, Wisconsin home. The sheriff said they need 100 people to help search the intersection of State Highway 8 and 16th Street at 2 p.m. in Barron. Barron County officials will be there to greet volunteers. Closs has been ruled out as a suspect in the double homicide and the sheriff says they believe she is in danger. Volunteers need photo identification and need to be able to walk over uneven terrain. Please wear proper footwear and bring your own water. Once 100 people are available, the sheriff said they will turn everyone else away.  745

TAMPA, Fla. — A 0,000 reward is being offered for information on the 1997 disappearance of Don Lewis, the Tampa man whose case was featured in Netflix's "Tiger King."Lewis' family held a press conference Monday morning at Riverhills Church of God in Tampa.“Amazingly, our little family tragedy has become your tragedy. Our search for closure and truth has become your mission also,” said Lewis’ daughter, Gale Rathbone.The family has retained Jacksonville attorney John Phillips to conduct their own independent investigation into the circumstances surrounding the disappearance.Phillips says he will represent anyone willing to come forward with information pro-bono.RELATED: Hillsborough sheriff asks for new leads for missing man featured in Netflix's 'Tiger King'Lewis was reported missing in 1997 by his wife, Carole Baskin.In the wake of Lewis' disappearance, viewers of the Netflix series have shared theories about what happened.“Think about your grandfather being rumored to either have been eaten by alligators, be under a septic tank of feces or in a meat grinder,” said Phillips.But as wild as it may sound, Phillips says there may be merit to those theories.Baskin, the owner of Tampa's Big Cat Rescue, was featured in the Netflix hit series, which briefly touched on Lewis' disappearance.Since the show's release, Baskin and her current husband, Howard, said producers duped them into thinking the series would be about stopping the abuse of big cats."Anyone who spends an hour with Carole would come away knowing that there was no way that she had any involvement in Don's disappearance and that the vicious rumors that were spread by his family are absolute nonsense stuff about meat grinders and septic tanks," said Howard Baskin.There have been renewed calls from authorities for tips in Lewis' case since the show was released. An anonymous donor helped the family raise the reward to 0,000,“Whomever that person is, we are so grateful. We are hoping that with those funds someone will have the courage to come forward,” said daughter Donna Pettis. 2081

Students around the United States are walking out of class to demand tougher gun laws in response to last week's deadly shooting in Parkland, Florida, but some schools are threatening them with harsh punishments.The Needville Independent School District in Texas issued a warning Tuesday that anyone who participated in a walkout or other political protest would be suspended for three days."Life is all about choices and every choice has a consequence whether it be positive or negative. We will discipline no matter if it is one, fifty, or five hundred students involved. All will be suspended for 3 days and parent notes will not alleviate the discipline," Superintendent Curtis Rhodes said in a statement posted on the Needville High School Facebook page.Rhodes said the Houston-area district would not tolerate any protests or demonstrations during school hours."A school is a place to learn and grow educationally, emotionally and morally. A disruption of the school will not be tolerated," he said.The letter was posted on the same day that a 14-year-old was arrested at Needville Junior High School and charged with making a terroristic threat.Survivors from Marjory Stoneman Douglas High School in Parkland have been active in the week since the shooting -- holding rallies, being interviewed by national media and organizing a bus trip to the Florida State Capitol to meet with lawmakers.Students at other schools in Florida and across the United States have held rallies to show support.A school district in Waukesha, Wisconsin, sent a letter to parents telling them that the school district is not involved in a walkout that is scheduled for March 14 and that teachers and students would not be excused if they participate."Participation in a walkout is disruptive and against school regulations, and will subject students to disciplinary measures," Superintendent Todd Gray said in the letter.In a follow-up statement on Wednesday, Gray said the the original letter was designed to let parents know that the walkout next month was planned by an outside group with no connection to the school."At no time have we said students cannot make a statement peacefully while staying in school," Gray said, adding that he had not gotten requests to participate from any students or student groups."We acknowledge that individuals have a right to demonstrate to support a cause. Therefore, if parents wish to excuse their children from school to attend such an event or demonstration, that is their right," he said.Are you participating in student walkouts? Share your photos on Twitter, Instagram or Facebook with the hashtag #yesCNN and tell us why you're marching.The-CNN-Wire? & ? 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved. 2774

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