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White House press secretary Sarah Sanders said Wednesday she wasn't aware that President Donald Trump knew of a payment made by his personal lawyer to the porn actress Stormy Daniels in October 2016.And she said she didn't know whether Trump had spoken to his lawyer, Michael Cohen, over the past week.Answering questions from CNN's Jeff Zeleny, Sanders said the President has denied having a sexual relationship with Daniels."The President has addressed these directly and made very well clear that none of these allegations are true. It has already been won in arbitration. Anything in addition to that I would refer you to the President's outside counsel," Sanders said.The-CNN-Wire? & ? 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved. 777

While experts are encouraged by early vaccine data, many still say there is a way to go before life returns to normalcy."Operation Warp Speed," is a Trump administration effort to develop and deliver a safe and effective COVID-19 in the coming months. The administration's goal is to make initial doses available by January 2021.The vaccine will initially be rationed while drugmakers produce more doses. Healthcare workers, people in nursing homes, first responders and those with high-risk health conditions will likely be the first people eligible to receive the vaccine. According to Dr. Anthony Fauci, the director of the National Insitute for Allergies and Infectious Diseases, the rest of the general population won't be able to receive the vaccine until later in 2021.Pfizer and Moderna have both announced that their vaccines are on track for potential emergency authorization from the Food and Drug Administration. But there are several other candidates that could also get approval soon — and could potentially overtake the market.Both Pfizer's and Moderna's vaccine candidates require two shots, which need to be taken 28 days apart. But health experts believe that if a single-dose vaccine gets approval, it could quickly become the standard for worldwide vaccination."So, if you can get a vaccine out there that actually requires only one dose, it could quickly overtake the market," said Dr. Marcus Schabacker the President & CEO, of Emergency Care Research Institute.Health experts are also encouraged that there are several vaccine candidates in the final stages of testing — they believe that more potential vaccines reduce safety risks."We have a lot of people in the world. We need to vaccinate in different countries under different criteria, and you always run the risk that there's something in the Pfizer vaccine that someone's allergic to that isn't in the Madonna vaccine," said Dr. Jill Roberts, an associated professor as USF Health.One question that hasn't yet been answered is how the vaccines will stand up to the newly infected."So if you're turning positive today, we know you are exposed to somebody that had COVID, and we vaccinate you today — will that actually prevent you from developing severe disease?" Roberts said.Merck is another U.S. based pharmaceutical company that is working on a single-dose COVID-19 vaccine. That vaccine is currently in early testing overseas. 2422

When 4-year-old Mateo forgot his favorite toy, Bear, in San Diego during a recent trip, employees of a local hotel made sure Bear had a good time in America’s Finest City.Mateo and his parents visited San Diego earlier this month. They didn’t realize they left Bear in their hotel room at the Hyatt Regency Mission Bay. Employees were able to find Bear, but made sure he enjoyed his extended vacation in San Diego before sending him back to Los Angeles. Bear enjoyed the hotel pool and water slide, lunch, and the spa before his trip back home. Hotel employees took photos of Bear’s adventures and sent him back home to his family, along with a few goodies for Mateo.Mateo and his family are relatives of 10News reporter Melissa Mecija. 744

White House press secretary Sarah Sanders declined to name members of the so-called "fake news media" that President Donald Trump calls the "true enemy of the people." 175

With news of two highly effective COVID-19 vaccines on the horizon, health officials and scientists are giving us new insight into how we could gain herd immunity."If we think of the population as a single group of people with all similar risks and susceptibilities and behaviors, we need 60% of people to be immune, meaning that not only they don’t get sick, but also they don't pass on the virus to other people," says Dr. Stuart Ray, an infectious disease professor and herd immunity expert at Johns Hopkins University.Dr. Ray says achieving herd immunity with the help of a COVID-19 vaccine would mean enough people would either get the vaccine or already have recovered from the virus and be immune to help stop the spread of the virus."It's a little bit like this notion that if you’re going to pass on a message from a lot of people in a group, they have to speak the same language. And the more people don't speak the language, the harder it's going to be to pass that message and there’s a threshold at which the message just gets stopped," says Dr. Ray.Still, it would take a certain number of people to get the vaccine and have that immunity last in order to reach herd immunity. Stanford University's Dr. Bali Pulendran hopes that we can achieve herd immunity, even though there are a certain number of people who are still hesitant to take the vaccine."I think we should remember that a vaccine that is 95% effective is only effective if the majority of people in a population take it. If only half the population or only 60% of the population take it, then we are unlikely to have achieved the level of herd immunity that you need for curbing the disease," says Dr. Pulendran.And if the new COVID-19 vaccine requires two doses, how crucial will it be to make sure people receive that second round of immunization?Asked whether follow up will be a concern, Dr. Ray says, "I think it is a possible concern. We’re going to do a lot of learning. So, one of the things we’ve learned is that some vaccines we thought you needed multiple doses, one dose works pretty well."Doctors say research will be ongoing on the vaccine and the virus itself to ensure people will be protected as much as possible, because so many are hopeful for an end to COVID-19. 2268