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To end the pandemic, there need to be enough people immune to COVID-19 and there are two ways to do that: immunity through infection or from a vaccine."I think racing to herd immunity is the dangerous thing that I’m concerned about," said Dr. Stuart Ray, a professor of medicine at Johns Hopkins University School of Medicine.Herd immunity is when the spread of the infection cannot be sustained because the number of people who are immune is high enough. Some countries are considering it as a strategy to combat COVID-19.But Ray said it could not work in the US unless much more effective treatments are developed.He says on average, a newly infected person infects two others, so to have herd immunity from COVID-19 about 60 percent of people would have to become immune."We would have something like another 100 million people, maybe more, infected. 150 million more and even if the major complication rate is a fraction of 1 percent, we will still have huge numbers of deaths," said Ray.He said we also don’t know if just having had the infection once will create lasting immunity to control the spread."It possible that you could be immune enough not to get sick and still not immune enough to prevent that spread and so herd immunity is a tough bar for us to aim for because not only do we need 60 percent of people to be immune but we need them to be immune in a way that prevents them from infecting other people," said Ray.The other way to achieve herd immunity would be through a vaccine."Vaccines can work better, provide better immunity than the natural infection does. The new shingles vaccine provides great immunity and protects more than 95 percent of people from getting shingles," said Ray.Several vaccines are still going through the last phase of clinical trials to see if any also creates enough immunity to prevent passing the virus along.This story was first reported by Abby Isaacs at WMAR in Baltimore, Maryland. 1946

Toys R Us joins Walmart, Target, and Best Buy in opening Thanksgiving afternoon in 2017. If you had been hoping they would follow the lead of Nordstrom and REI and hold off on a Thursday opening, you'll no doubt be disappointed.But if you don't mind skipping the pumpkin pie, early shoppers  will find big savings on Lego, Barbie, and Disney toys, among other things.For gamers, Sony's PS4 Slim will be marked down to 9, matching the Black Friday price at other big retailers. The Xbox One Slim will sell for 9 (though you may find a better bundled deal at Walmart or Best Buy).Interestingly, Toys R Us is not saying much about Hatchimals on Black Friday.  Last year's hardest-to-find toy is expected to again be red hot, with the new Hatchimal twins, but don't expect a Black Friday deal on them.We turned to our friends at BFAds.net for some of the best Toys R Us deals/Top Thanksgiving 5 p.m. doorbusters: 932

THOUSAND OAKS, Calif. (AP) — The Southern California country-western bar where 12 people were killed in a mass shooting and gunbattle will reopen more than a year after the tragedy.A gunman shot 11 victims during Nov. 7, 2018, shooting at the Borderline Bar & Grill shooting in Thousand Oaks before turning the weapon on himself. A Ventura County sheriff’s deputy was wounded by the gunman then accidentally killed by a California Highway Patrol officer during the ensuing gunbattle.The Borderline’s owners say in a video posted Thursday they’ve decided to reopen the bar though they did not offer a timeframe. The owners say in the meantime, they will open a new location in Agoura Hills.Families of the dead and 248 survivors opened a public park memorial earlier this month.RELATED:San Diegan remembered on anniversary of Borderline shootingCoronado High School graduate killed in Borderline shooting remembered as a 'hometown hero'Ventura County sheriff's sergeant killed in Thousand Oaks shooting was set to retire soon 1036

Thousands of unwanted house guests left their mark on a Pennsylvania home. After recent heavy rains, a family noticed dark lines coming down the wall, and realized it was honey from a hidden beehive.Justin and Andrea Isabell told CNN they originally thought the drips in their mudroom were water damage after recent rains from Tropical Storm Fay. They live in Perkasie, between Allentown and Philadelphia."We've never heard any buzzing or anything," Andrea told CNN. "When we saw the stream coming down the wall, we just kind of worked our way up." 556

T-Mobile and Sprint finally agreed to a massive telecom merger after years of negotiations punctuated by two breakups.The  billion merger, announced Sunday, values Sprint near its current share price of .50.The tie-up would position the telecom companies as fiercer competitors to Verizon and AT&T, which have long dominated the US market."I'm excited to announce that @TMobile & @Sprint have reached an agreement to come together to form a new company -- a larger, stronger competitor that will be a force for positive change for all US consumers and businesses! Watch this & click through for details." said T-Mobile CEO John Legere, in a tweet Sunday.A report that the deal was getting close drove up Sprint's stock price by 8% on Friday and T-Mobile's price edged up as well. The stock price for SoftBank, a Japanese conglomerate with a majority stake in Sprint, rose by 3%.Sprint and T-Mobile first discussed a merger in 2014 but scrapped it because of concerns about regulatory challenges from the Obama administration.The companies expected to have a better shot at the merger under the Trump administration.Sprint stock tanks as T-Mobile merger said to collapseSoftBank CEO Masayoshi Son met with Trump the month before he took office to talk up an investment in US businesses.A few weeks later, T-Mobile's Legere said he was open to "various forms of consolidation" when asked about a potential merger with Sprint and SoftBank under the Trump administration.But last November, after much speculation, the two companies issued a statement saying they "have ceased talks.""While we couldn't reach an agreement to combine our companies, we certainly recognize the benefits of scale through a potential combination. However, we have agreed that it is best to move forward on our own," Marcelo Claure, the Sprint CEO, said at the time.Sprint and T-Mobile's announcement is just the latest step in an ongoing movement towards telecom consolidation. AT&T is in talks to acquire Time Warner, which owns CNN and CNNMoney. The outcome of that billion merger-in-the-making depends on a case in federal court, which is pending the decision of the judge. 2203