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An American was possibly exposed to Ebola while recently providing medical assistance in Congo, according to a release from the University of Nebraska Medical Center College of Public Health.The person, who has not been identified, is headed to the Nebraska Medical Center in Omaha for monitoring, the release states, adding the Nebraska Medical Center is home to one of the nation's few dedicated biocontainment units."This person may have been exposed to the virus but is not ill and is not contagious," said Ted Cieslak, infectious diseases specialist with Nebraska Medicine and associate professor of epidemiology in the University of Nebraska Medical Center College of Public Health. "Should any symptoms develop, the Nebraska Medicine/UNMC team is among the most qualified in the world to deal with them."The Democratic Republic of Congo is going through one of the deadliest Ebola outbreaks in history. The outbreak began August 1 and has left more than 300 people dead, with 545 confirmed cases recorded as of Saturday, according to the country's health ministry. Another 48 cases are considered probable.The World Health Organization said protests in Congo over election delays and a deteriorating security situation are interfering with their field teams' ability to carry out Ebola vaccinations in some areas. The American, the Nebraska release states, is not an official patient and is being taken privately to the medical center. Federal, state and county public health officials plan to monitor the person in a secure area not accessible by the public or any patients. Monitoring could take as long as two weeks, the release states.No updates will be given on the person's status during the monitoring period unless needed, the release also states. If it is necessary, though, the individual will be transferred to the Nebraska Biocontainment Unit, where regular updates will be provided.This isn't the first time possible Ebola patients were treated at the Nebraska Medical Center. Nebraska Medicine treated three patients with Ebola in 2014. In 2015, five Americans were monitored at the center after being exposed to the virus in West Africa, but none developed the disease. 2234

A rare celestial event is about to take place over the morning skies of the United States on Monday involving the Sun and the planet Mercury. According to NASA, Mercury will pass directly between the Sun and Earth, causing a small part of the Sun to be obscured by Mercury’s shadow. Although the effect is similar to a solar eclipse — where the moon passes between the Sun and Earth — traditional solar eclipse glasses will not work for Monday’s transit. Whereas the moon is capable of blocking all of the Sun’s light from reaching the Earth, Mercury’s size and distance means only a fraction of the Sun will be blocked. That does not mean you’re out of luck. More than 60 astronomical groups across the United States will host viewing parties to allow the public to witness the rare celestial event. A telescope with a solar filter will make it possible for people to witness the transit. The transit will begin around 7:35 a.m. ET on Monday and last over 5 hours. For those in the western half of the U.S., the transit will last for a few hours after sunrise, allowing for most Americans the opportunity to witness the transit. The next transit of Mercury will not be visible until 2032. To find a viewing event near you, click 1242

About 1 out of 5 high school students in the U.S. say they vaped marijuana in the past year, and its popularity has been booming faster than nicotine vaping, according to a report released Wednesday.“The speed at which kids are taking up this behavior is very worrisome,” said Dr. Nora Volkow of the National Institute on Drug Abuse, the federal agency that pays for the large annual teen survey.Electronic cigarettes and other battery-powered vaping devices mostly heat a liquid containing nicotine into a vapor that’s inhaled, In recent years, they have been increasingly used to vaporize THC, the chemical that gives pot its high.The University of Michigan survey asks students in grades 8, 10 and 12 across the country about smoking, drinking and drugs. About two-thirds of this year’s 42,000 participants were asked about vaping marijuana.Vaping nicotine is still more popular: about 1 in 4 high schoolers said they had done it at least once in the previous year. But vaping marijuana grew more quickly: 1 in 5 high schoolers had done it at least once the year before.About 1 in 7 high school seniors this year were considered current users of marijuana vaping — they had vaped in the month before they took the survey. That’s almost doubled from 1 in 13 the year before.Overall, marijuana use — in all its forms — is holding steady. It’s not clear if students are switching to vaping or continuing to use other forms as well, said Richard Miech, who oversees the survey.Daily marijuana use rose in both middle school and high school kids in 2019, and “if you want to be a daily marijuana user, vaping makes it easier,” he said.It’s odorless and slips easily into a pocket. “You can just kind of graze on that all day,” he said.The survey is in the Journal of the American Medical Association, which also published results of a different survey in 2018 that showed an increase in marijuana vaping among middle and high school students.Both have limitations: the surveys rely on what kids say, and it does not include teens who are not in school. Federal and state laws ban minors from using marijuana recreationally, and prohibits sale of vaping products to kidsThe Michigan survey was conducted earlier this year, before reports of a surge in cases of vaping-related lung damage, mostly in teens and young adults who used black-market THC products.Volkow said the illnesses “may scare some teenagers away” from vaping marijuana.The survey also found most other forms of teen drug use are flat or declining, including alcohol, ecstasy, heroin, cocaine, and meth. An exception was LSD, which has been increasing in 10th and 12th graders. About 3.6% of high school seniors said they’d dropped acid in the previous year.___The Associated Press Health and Science Department receives 2797

Amazon said this year's Prime Day was "once again the largest shopping event" in its history.The company said sales from its 137

An Afrofuturist group says it reversed its decision to charge white people more for tickets to its Detroit festival than black and brown people because they received threats, an artist dropped out and a ticketing website threatened to unpublish their event.The Eventbrite page for " 294