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This week, experts are sending warnings to those considering seeing people outside their household without quarantining first. One aerosol expert weighs in on just how dangerous the holiday could be."My simplest advice is it is not a good idea to meet with people outside of your household for a holiday meal. That’s the most important message that can be underscored, and the reason for that is there are multiple ways this virus can be transferred,” said Alex Huffman, an aerosol expert and associate professor at the University of Denver. “The closer you are increases the chances of that, but aerosols can come out of your mouth and mix into the room. The longer you're in that room, the more chance you have of getting sick.”Huffman says time, ventilation and proximity have a big impact on whether coronavirus droplets can spread and infect others."When you breathe and talk, the louder you talk, droplets and aerosols come out of your mouth. So, traditionally, droplets are on the bigger side, aerosols are on the smaller side," said Huffman.With no mask on, these droplets can land on the faces of people around you or on their plates."And so, the biggest danger with the Thanksgiving meal or holiday meal or any meal specifically, restaurants included, are that you have to take off your mask to eat and that is why eating together indoors is so dangerous," said Huffman.Huffman demonstrated how fast droplets can spread in the air by showing how quickly food coloring can spread in water. He also analyzed the risks of eating a Thanksgiving meal in person, taking commonly-used models and applying varying factors that come into play when eating with people outside of your household."And then, I used the same model to say, ‘What happens if we meet for holiday meals?’ Let's say we have 10 people. We all eat for two hours. We all don't have masks on, and then, we ran different scenarios. If it was a small room, a large room, a medium-sized room and then estimate the amount of risk that would be from aerosol," said Huffman.Matching with community transmission rates, Huffman estimated that the probability of each person at the table having COVID-19 was about 5 percent."If it's a small room, everybody has something like a 15 percent chance of getting infected, even if we had no idea if anybody was infected or not. If it's a big room, it's a little bit less than that," explained Huffman.Ventilation also comes into play, which is why experts are advising that if you really are planning to meet with family this holiday, do it outside. Opening windows and doors also helps. Huffman also has some tools people can use, such as a carbon dioxide monitor or you can create your own box fan air filter."On the back, this is a furnace filter that’s also 20 inches and so you tape them together so they're well-sealed. You turn it on high and you blow the air through this filter and that removes the particles in the room that could potentially contain virus in it," said Huffman.Still, Huffman and other medical experts agree this won't completely eliminate the risk of spreading COVID-19. The safest thing to do is stay home and avoid celebrating Thanksgiving with people who are not part of your household. 3230

Trade war fears and a presidential attack on Amazon are rocking Wall Street.The Dow dropped more than 700 points on Monday, and the Nasdaq plunged 3%. The S&P 500 hit its low for the year and was on track for its lowest close since November. The sell-off left all three major indexes in the red for 2018.By the end of the day Monday, the Dow slightly recovered, closing down 458 points for the day.The sell-off on the first day of the second quarter came after President Trump once again attacked Amazon on Twitter. Amazon, one of the biggest drivers of the 2017 market rally, tumbled 5%, wiping out more than billion of its market value.Trump once again accused Amazon of taking advantage of the US Postal Service, and he suggested that Amazon does not pay its fair share of tax.In fact, Amazon pays the same lower rate that the post office charges other bulk shippers, and it collects sales tax in every state that charges it. Amazon does not collect sales tax on purchases made from third-party vendors."You've got the president of the United States attacking a single company over what he considers to be unfair practices," said Ian Winer, head of equities at Wedbush Securities.Amazon wasn't the only tech stock in trouble. Tesla, Netflix and Cisco all dropped by at least 4%. Intel plunged 8% on a?Bloomberg News report that Apple plans to switch to its own chips. Almost every stock in the Nasdaq 100 lost ground.The Nasdaq has plunged more than 10% from its all-time high on March 12."When investors see market leaders suddenly stumble, they become more cautious about the entire group," said Kate Warne, investment strategist at Edward Jones.Wall Street is also fretting about rising trade tensions, especially with China. Beijing responded to Trump's steel and aluminum tariffs on Monday by following through on its threat to impose tariffs on billion of US imports. The tariffs apply to 128 products, ranging from pork and meat to steel pipes.Trump plans to place additional tariffs on about billion worth of Chinese goods — and Beijing has promised to respond.John Toohey, head of equities at USAA, blamed the sell-off on concerns about the China tariffs. "Global trade could slow down, global supply chains could be impacted, and CEOs could be more cautious on capital spending," Toohey said.NAFTA worries are also on the rise after Trump took aim at the trade deal between the United States, Canada and Mexico. Trump on Sunday linked NAFTA to his efforts to build a wall along the border with Mexico."They must stop the big drug and people flows, or I will stop their cash cow, NAFTA. NEED WALL!" Trump tweeted."It's a cause for concern. That mixing of issues is contributing to uncertainty," said Kristina Hooper, chief global market strategist at Invesco.No matter the cause, signs of fear abounded. The VIX volatility index jumped more than 15%. CNNMoney's Fear & Greed Index of market sentiment dropped further into "extreme fear." Crude oil plunged about 3%. Gold, which tends to do well when investors are worried, climbed more than 1%."None of it makes a lot of sense," said Michael Block, chief strategist at Rhino Trading Partners. "I don't know what we learned that was new. Chinese tariffs are not surprising."After spiking last year, the stock market hit extreme turbulence during the first three months of the year as investors worried about tariffs, inflation and tech stocks. The Dow snapped its longest quarterly winning streak in 20 years.Stocks may be volatile, but the backdrop looks bright. Global economic growth is expected to accelerate and corporate profits are likely to surge, thanks in part to Trump's corporate tax cuts."It's unlikely to be the end of the bull market," Warne said. "The underlying fundamentals remain positive." 3823

Thirty-seven children die each year as a result of being left in a hot car according to the National Safety Council. Every death seems to prompt a discussion on ways to prevent these tragedies by reminding drivers of their precious backseat cargo.Safety advocates have just scored a win as automaker Nissan announced plans Tuesday to make rear door alerts standard in eight vehicle types by model year 2019.The system will notify drivers if the rear door was opened before a trip but not reopened after the car is parked and the ignition is turned off, with an initial display in the instrument panel and a series of discrete honks. Nissan aims to have the rear door alerts in all four-door trucks, sedans and SUVs by model year 2022, the company said in a statement. 775

TOKYO (AP) — The five Olympic rings are back in Tokyo Bay. The rings were removed for maintenance four months ago shortly after the Tokyo Olympics were postponed until next year because of the COVID-19 pandemic. The rings are positioned on a barge and stand about 15 meters tall and 33 meters in length — about 50 feet tall and 100 feet in length. The Olympic rings will be lighted at night and are situated in the shadow of Tokyo's famous Rainbow Bridge. The Olympics are to open on July 23, 2021, followed by the Paralympics on Aug. 24. Organizers are confident that 15,400 Olympic and Paralympic athletes can safely enter Japan during the pandemic. 659

This weekend marked the most air traffic seen in US airports since the start of the pandemic. While on the surface, it would seem that many are disregarding the advice of public health experts, but data shows many, if not most, are heeding advice set forth in recent weeks.Last week, the CDC advised Americans not to travel for Thanksgiving, and instead opt for virtual Thanksgiving gatherings, or limit celebrations to those within the same household. The guidance comes amid a record surge of COVID-19 throughout the United States, with an average of 1,400 coronavirus-related deaths per day in the US in the last week.With hospitals already reaching capacity in many states, there are fears that holiday travel will cause hospitals to go over capacity.According to TSA data 1,019,836 travelers passed through security checkpoints in US airports on Friday. While Friday was just the second day that air traffic surpassed 1 million domestically since March, the same day last year had 2.5 million travelers.On Sunday, 1.05 million travelers passed through security checkpoints, the most since March, but the same day last year had over 2.3 million passengers. The data indicates that air travel is down at least 50% in the days leading up to Thanksgiving compared to years past.While fewer travelers might mean airports are less crowded, that does not mean planes are less packed. A number of airlines have slashed the number of routes in an effort to save money. This has resulted in fewer options for passengers.As there are still many Americans disregarding guidance to stay home this Thanksgiving, some are traveling for practical reasons. Many colleges and universities are not going to have in-person classes resume after Thanksgiving in hopes of reducing the spread of the virus on campuses.Although not as many Americans are expected to travel for Thanksgiving as usual, 56% of Americans are intending on traveling according to data from Tripadvisor. Tripadvisor says that this year's figures are down from an estimated 70% of Americans traveling in 2019.Tripadvisor surveyed Americans from October 16 to 20, so it is possible increased travel restrictions associated with a rise in cases could scare off some from traveling by Thanksgiving. Many states are telling travelers to quarantine for two weeks before coming into contact with others.In an interview with the Washington Post on Monday, Dr. Anthony Fauci said that if Americans don't follow common-sense public health measures over the Thanksgiving holiday, that it could exacerbate the current spike in cases. He said that within two or three weeks, the already steep spike in cases could become even steeper."The chances are that you will see a surge superimposed on a surge," Fauci said. 2765