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Thanksgiving 2018 marks the 55 years since President John F. Kennedy was shot and killed while making a visit to Dallas, Texas.On November 22, 1963, President Kennedy, his wife Jackie, Texas Gov. John Connally and his wife, Nellie, rode in an open car down Dealey Plaza in downtown Dallas. At that point, Lee Harvey Oswald shot and killed Kennedy from the Texas School Book Depository building.Relive the events of the Kennedy assassination in the timeline below.Timeline (all times are Central Standard Time unless otherwise noted): 541

TAMPA, Fla. — Air conditioning units may be contributing to the spread of COVID-19, especially in the southern part of the United States, according to a Harvard epidemiologist.Dr. Edward Nardell is a professor in the Departments of Environmental Health and Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health. He's done in-depth research on how air conditioning units contribute to the spread of airborne infections.Nardell said air conditioning can help airborne viruses spread in three ways.First, people go inside to cool down, when you are much safer outdoors, Nardell said. Now, we're seeing more people indoors because of the high heat and humidity, specifically in the southern states like Florida.The second problem is that air conditioning brings in very little outside air, according to Nardell. While this isn't a major problem inside your own home, it can be especially problematic in corporate settings."It just isn't economically possible to bring in outside air, recirculate it and dehumidify it," he said.Lastly, he said when people are indoors, you're often not spaced out safely as you would be outdoors."You are not socially distanced as much, but you're re-breathing the same air that someone else just exhaled," Nardell said. "We call it rebreathed air fraction, and if someone is infectious, often asymptomatic, you're going to be rebreathing their small particles."Nardell also said air conditioning units can generate air currents that can carry large particles even further, similar to what researchers found contributed to the spread of the novel coronavirus disease in an air-conditioned restaurant in Guangzhou, China, involving three family clusters.On the Department of Homeland Security's website, this tool can be used to estimate how long the virus would be expected to remain stable while airborne.Now, the Centers for Disease Control and Prevention is recommending restaurants increasing the distance between tables and improving ventilation.The use of germicidal lamps, a technology that Nardell said is almost 100 years old, has been proven effective in protecting against tuberculosis infection and is already in use in some settings to fight COVID-19.The lamps are set up to shine horizontally, high in the room where sterilization is needed. Air currents, stirred in part by warmth from human bodies, circulate up to the ceiling, where the ultraviolet light kills floating pathogens, and then back down again.This technology, Nardell said, is not only proven, but it can also be deployed cheaply and easily in a number of settings as society reopens.This story was originally published by Lauren Rozyla at WFTS. 2691

TAMPA, Fla. (AP) -- Sheriff's officials in Florida say a 24-year-old South Carolina man is accused of invading the home of a WWE star near Tampa.Phillip Thomas II was arrested Sunday after officials say he entered the home of wrestler Sonya Deville, setting off a security alarm.Hillsborough Sheriff's officials say the 26-year-old victim, real name Daria Berenato, spotted Thomas on the property after the alarm rang and called 911 as she fled with a guest in a car.Arriving deputies found Thomas at the home with a knife, plastic zip ties, duct tape and mace. He was arrested pending a Monday court hearing on armed kidnapping and other charges. 655

Texas GOP Lt. Gov. Dan Patrick said after the nation's latest school shooting in Santa Fe, Texas, that teachers need guns, parents should secure firearms safely at home, and schools should eliminate some of their entrances."We need our teachers to be armed," Patrick said Sunday on CNN's "State of the Union."Patrick also called for "gun control at home," with firearms out of childrens' reach, but declined to say whether he would support requiring that by law, saying Texas holds gun owners "very responsible.""Be sure that your kids and grandkids or anyone who might have access to your home cannot get your guns," Patrick said. 639

The approval of the first COVID-19 vaccines comes amid a critical point in the pandemic.The U.S. has recorded two straight weeks of record high hospitalizations. On Thursday, the country surpassed 17 million total cases of COVID-19 and December is now the deadliest month since the start of the pandemic.Infectious disease expert Dr. Michael Lewis, a retired U.S. Army colonel, worries that Americans may become desensitized to the staggering death totals."It's the 'boy who cried wolf' kind of thing," Lewis said.Lewis recognizes the severity of the virus but is worried about the broader implications of the pandemic.He's worried about the future of children who are attending school virtually and haven't seen their friends for months, the damage to small businesses and their employees who have been affected by stay-at-home orders and the damage to people's physical health due to a drop in routine medical care.Lewis says the number of new prescriptions for conditions like heart disease and diabetes have dropped and that the country is seeing more new cases of advanced cancers."(The pandemic will) make actual death rates go up in the long term, the two- to five-year kinda kind of thing," Lewis said.Lewis is advocating for people to re-evaluate their physical and mental health as the pandemic drags on."We've got to figure out how to break that cycle of stress, and that's a very personal thing you've got to figure out how to take responsibility for yourself," he said.Lewis wants people to focus on healthy lifestyles:m Eating right, exercising and limiting a daily intake of virus-related information. He says Americans should live cautiously but not in fear and recommends not forgoing medical or psychological attention.He adds that stress can harm a person's immune system — the very thing everyone needs for protection against COVID-19 and other diseases. 1882