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This is supposed to be the first week of class for many Washington state schools. But exactly when students in some districts will go to class remains a mystery.Teacher strikes in two districts have already forced the cancellation of classes on their first day of school Tuesday.Evergreen Public Schools are closed because no deal has been reached between the school district and the Evergreen Education Association over salaries.Negotiations are ongoing, and the school district said it will give parents at least 24 hours' notice before classes will begin.The Washougal School District also missed its first day of school Tuesday due to a strike by the Washougal Association of Educators.School district representatives met with union members and mediators Monday to try to reach an agreement on teacher salary increases."The district and the association have worked hard to reach an understanding but, unfortunately, we were not able to come to an agreement," district Superintendent Mary Templeton said.Four other state school districts, which are scheduled to start classes Wednesday, could have those plans derailed by strikes over salaries and benefits.Vancouver Public Schools, Longview Public Schools, Battle Ground Public Schools and the Hockinson School District all announced that negotiations are continuing with teachers and mediators.The Hockinson School District said it's hoping to start classes on time but is asking parents to have backup plans for their children, just in case. 1515

Top health officials are considering “pooled testing” as a way to ramp up COVID-19 tests.Here's how it works:Instead of testing each sample individually, labs pool together a certain amount, like 10, in one tube with one test.If it's negative, you double check it, and then you're done.If there's a positive, you break it down either into smaller pools or individually for further testing.“So, there are advantages, mostly cost savings, that's the huge advantage of pooling, also the ability to go through a very large volume of specimens,” said Dr. Thomas Quinn, an infectious disease researcher at National Institute of Allergy and Infectious DiseasesQuinn worked in one of many labs that used the pooling technique during the HIV epidemic in the 1980s. He says the difference between then and now is the tests themselves.Pooling dilutes the samples. The HIV tests were very accurate, so that wasn't an issue, but with COVID-19, the tests aren't as reliable.The other problem is pooling takes more time in the lab, even with robotic equipment helping.“We need to get everyone tested and everyone wants to know what's the result of my test within 24 hours. That's very hard to do with pooling,” said Quinn.Quinn isn't recommending pooling for individual testing right now. He says it could be more useful in big surveys, when it's not an emergency. 1357

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

There is an ongoing investigation into an incident in Times Square involving a black Taurus sedan. This auto is NOT an NYPD vehicle. pic.twitter.com/kBGuXhFtP1— NYPD NEWS (@NYPDnews) September 4, 2020 213

Today I announced bold legislation that creates new criminal offenses and increases penalties for those who target law enforcement and participate in violent or disorderly assemblies. We will always stand with our men and women in uniform who keep our communities safe. pic.twitter.com/ITl5GmmrZJ— Ron DeSantis (@GovRonDeSantis) September 21, 2020 355