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Whenever you get vaccinated for the coronavirus, there is a good chance you will need to get two doses of the vaccine. Two types of vaccines are expected to begin being distributed this month and both require two doses 28 days apart.Dr. Anthony Fauci said during a CNN town hall on Friday that the first vaccine is the “prime” vaccine dose, and the second one is a booster. The two vaccines, one from Pfizer and the other Moderna, are expected to receive an FDA emergency use authorization in the coming weeks.Fauci said another vaccine, one produced by Johnson and Johnson, would only require one shot. But Fauci cautioned that the data from that vaccine candidate has not been reviewed. The Moderna and Pfizer vaccines are showing an efficacy of 95%, and both vaccines had a near 100% effectiveness against severe coronavirus cases.While the first shot will offer some protection against the virus, Fauci says that the boost will give Americans “optimal” protection against the virus.“What you have is you get some degree, not optimal, but some degree of immunity a couple of weeks after the first dose,” Fauci said. “That's not optimal. After the second dose, you get optimal immunity anywhere from seven to 10 days after the second dose."As vaccine doses begin to make their way to health care workers and high risk patients, Fauci says it will be important for everyone, even those who are vaccinated, to still wear masks and conduct social distancing. Fauci says that those who are vaccinated could potentially carry the virus, even if they will not become symptomatic.Fauci said that it will take a vast majority of Americans getting vaccinated before the US reaches herd immunity. When the US reaches herd immunity, that is when social distancing measures can be eased, Fauci says. "Even if you're vaccinated, you may be protected against getting sick, but you may not necessarily be protected against getting infections. So you may have some virus in your nasal pharynx. It wouldn't bother you, and maybe it wouldn't even infect anybody else, but it would be there. That's the reason why you can't abandon all public health measures." 2151

When two hijacked passenger planes crashed into the World Trade Center towers on September 11, 2001, a massive cloud of dust swept across the New York skyline.The looming cloud, caused by the twin towers' collapse and the digging in ground zero, carried chemicals and carcinogens such as perfluoroalkyl substances or PFASs, a class of chemicals used to make products stain-resistant, nonstick or waterproof. 415

When you hear wedding bells, you often see dollar signs. But there are additional costs to consider besides basic ones like the venue, dress, photographer and cake.Here are some often overlooked wedding expenses and how to budget for them. 257

When it comes to saving lives, seconds count. And now, thanks to improving technology, drones are proving to be a game changer in an emergency.Dozens of people’s lives were saved last year with the help of drones, according to drone maker DJI.  The company said from May of 2017 to April of 2018, 65 people were rescued with the help of a drone. DJI reviewed media reports to come up with that number and included documentation in its recent report released this year.Firefighters, search and rescue teams and other members of law enforcement are using drones to survey an area much faster from the air than people can on the ground.“During a search and rescue operation we can see body temperature, Romeo Durscher, DJI’s Public Safety Integration Director, said.Drones carry more than simple cameras. They are now built to send back infrared images.Aeryon Defense USA, of Denver, has drones that can carry upwards of four pounds of payload. The company sells drones that can be used by police agencies and the military."That allows you to hook in a medical kit, radio, food, water (or) ammunition to provide life sustaining equipment," said Mark Holden of Aeryon Defense USA. “We can carry water, enough for one day, food, even ammunition resupplies and some explosives as well.”The company’s drones can also be programed to single out a person moving in the camera’s view, but ignore a tree blowing in the wind or wildlife.“This is just the beginning. Everything we do is about taking the load off the end user. We want to replace human functions on the battlefield with a robot,” Holden said.Drones have helped find a woman with dementia in Randolph County, North Carolina. She had wandered into a nearby field. Drones dropped a life preserver to flood victims in Sichuan, China before rescue crews arrived to save the victims. An infrared camera-equipped drone located a crash victim who became unconscious after leaving his car to get help. A similar camera also was used to locate lost tubers on a river in Vestavia Hills, Alabama.Technology allows drones to carry more weight than before. In the last one-and-a-half to two years, drone makers have improved how drones fly in difficult weather conditions."Search and rescue operations rarely happen on a beautiful, no wind kind of day so we had to design them to withstand the snow, the wind, and the rain,” Durscher said.They can help save the lives of rescuers too."You know what's ahead of you. It can alert you of a big cliff or flooded river,” Durscher said.Drones used by most rescue agencies run as much as ,000 to ,000. 2642

With 20 electoral votes at stake, all eyes will be on Pennsylvania on Election Day. However, officials warn that counting the ballots could take days.In Bucks County, a heavily populated suburban county near Philadelphia has a population of about 628,000 people. In 2016, Hillary Clinton won the county by a narrow lead with a few thousand votes. This time around, both presidential campaigns have been courting the suburban vote, and the suburban Philadelphia counties are considered critical. Polls across the state closed at 8 p.m. EST, and now the more than 2 million mail-in ballots the state has received can now be counted. “We sent out about 200,000 ballots, which is 10 times more than we did four years ago, and we've gotten back somewhere in the area 160,000,” said Bob Harvie, Bucks County, Pennsylvania Board of Elections Chairman. “We still have mail coming in obviously today that we can accept. We had U.P.S. dropping off some ballots. We've got drop boxes that will be emptied at 8, and those will be brought here, and we don't know how much will be in those.” In Pennsylvania, more than 2 million mail-in ballots have been returned so far. The state doesn’t have a lot of experience dealing with large amounts of mail-in ballots, unlike places like Colorado, Washing, and even Florida and Arizona, where ballots have been counted as they come in. However, in Bucks County, officials didn’t begin counting ballots until after the polls closed, and a handful of Pennsylvania counties won’t start counting until tomorrow. “It's been a big challenge. It has been, you know, primarily because we were not even able toopen the envelopes until today. And there's a security envelope. So, that's two envelopes you need to open. You need to be able to make sure that everything is on there, their name, their address, the date,” said Diane Marseglia, Bucks County Board of Elections. “So, you're checking for a lot of things all at the same time and then you're pulling it out, and then, you're going to start to gather them for a vote. That's a lot of time.”If the presidential race hinges on Pennsylvania, it’s possible we won’t know who won the presidency for days.E.W. Scripps national correspondent Maya Rodriguez is in the Keystone State, bringing you the latest on Election Day. 2302

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