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SAN DIEGO (KGTV) — Even though Americans could start getting vaccinated in days, experts say people who get the shot will still need to wear masks and practice social distancing until scientists can answer a key question: whether immunized people can continue to spread COVID-19.The clinical trials by Pfizer and Moderna showed the two vaccines were about 95 percent effective, but what that really means is they were 95 percent effective at preventing COVID-19 symptoms.The trials did not measure whether vaccinated volunteers got infected without showing symptoms.That means “it is possible and conceivable” that immunized individuals could still be silent spreaders, said Dr. Christian Ramers of Family Health Centers of San Diego. “You’re not going to get sick, but you still get an asymptomatic case, pass it on to your grandmother and kill her.”Both the Pfizer and Moderna vaccines are injected into the arm muscle to stimulate production of antibodies. From there, the antibodies can quickly get to the lungs to fend off severe infection. But experts say the antibodies may have less access to the nose and throat, the primary entry points for the virus.Some studies have suggested that people without symptoms can still have high enough levels of coronavirus in their nose to infect other people.“The vaccine is doing something to prevent disease. We don't really know yet if it prevents transmission,” said Dr. Ramers. “So we have to fall back on all those fundamental things like distancing, masking and washing hands.”Still, experts say there are encouraging clues that vaccinated people may be less contagious. A study in October found antibody levels in the blood were similar to levels in saliva.AstraZeneca had volunteers in its trial test themselves for signs of infection and reported there were fewer asymptomatic cases. However, the company has not yet provided details and its vaccine relies on different technology than Pfizer and Moderna’s mRNA candidates.Until we know more, doctors say vaccinated people will have to keep wearing masks -- potentially until there we achieve herd immunity.“There is modeling to suggest that it will be summer until we reach the point where there are enough people vaccinated that this curve of new cases really starts to go down,” Ramers said.There’s a chance we could get good news before then. Both Pfizer and Moderna say they’ll start testing their volunteers’ blood to reveal if they got infected after vaccination.Pfizer plans to examine a subset of its volunteers. Moderna said it will analyze blood from everyone in the trial.Moderna said it will take several weeks to produce results. 2656

SAN DIEGO (KGTV) -- Despite pleas from health agencies to stay home during the holidays, millions of Americans are taking to the skies.A crowded airport and long-awaited hugs are exactly what health officials did not want to see this holiday season."The airport, I felt, was a little more crowded than expected," traveler David Miller said. "People apparently want to travel in spite of COVID."Whether it's to see an elderly family member, not break tradition, or make up for lost time, travelers packed the San Diego International Airport Thursday."They had to cancel Thanksgiving. They were coming home, and we didn't see them then, so we wanted to see them now," Miller's wife, Jan, said.Health officials have been warning for weeks that Christmas travel is like a 'Super Spreader' of the COVID-19 virus. Gatherings will cause a surge in the already short-staffed hospital systems, and that the death toll will increase. But even with the direst public health warnings, the TSA says around one million people have gone through their checkpoints every day since Dec. 18, 2020.Jan and David Miller flew into San Diego Thursday afternoon."I had concerns, probably greater than my wife, that perhaps flying wasn't a safe choice. However, my wife said I'd be living with a very depressed wife if we didn't come to see our children in California," Miller laughed.So it turned from a guilt trip to a Christmas trip. But the Millers say they are taking serious precautions."Our son thought maybe it would be safe for us to quarantine some and spend time apart from them in a separate location, so we're doing that in an Air BnB," David Miller said.They will first spend a little time away so that the rest of the time, they can enjoy all that San Diego has to offer together."The weather's a little bit more cloudy than what we're used to in San Diego, but obviously, it's much warmer than Ohio, where it is snowing right now," Miller said. 1943

SAN DIEGO (KGTV) — Erica Norman spent months saving thousands for a cruise down the Mexican Riviera on the massive Norwegian Bliss. Norman and about 4,000 others boarded that ship this week and were whisked away from the Port of Los Angeles. They were excited for a trip down to Cabo and Mazatlan - but instead, they wound up in San Francisco."I paid ,000 for this cruise and it's just a tour going in a circle in California," said Norman, who lives in Orange County. "I'm not happy about that."Norman said that about two hours into the cruise, the passengers got an announcement that the ship would divert to San Francisco, San Diego, and make one stop in Ensenada before heading back to Los Angeles. The ship made the call to avoid Hurricane Willa down south. RELATED: Tropical storms force Norwegian Bliss cruise ship to divert to San Diego"The safety and security of our guests and crew is always our top priority," Norwegian cruises said in a statement. "Guests were notified of the change as soon as our operations team was able to confirm the modified itinerary."But Norman said many of the guests felt blindsided. "I think they knew ahead of time, and then once they got us out in the water then they decided to change the itinerary because no one could get off at that time," Norman said. The Bliss reached San Diego Wednesday morning. At 1,094 feet long and a capacity of 4,004 passengers, it's the largest to ever dock in San Diego, a city that usually gets older ships on less traveled routes. RELATED: Cruise industry booming as season begins in San Diego"The guests will visit all the attractions, go on tours, go to restaurants, go shopping," said Adam Deaton, who directs cruise business for the Port of San Diego. About two dozen taxicabs waited for the passengers as they disembarked on Harbor Drive. Bikes that normally would have baked in the sun were rented. And pedicab drivers said they were finding new passengers. A food mart across from the ship had a line about 10 deep. "I'd rather be safe than sorry to even get in the area of Willa," said Lillie West, a passenger who said she was glad the ship diverted.West had never been to San Diego and said she had 0 to spend locally. The Port says most cruise ships have a 0,000 impact to the local economy in their stops in San Diego, although the Bliss is so big it could be up to million.But not everyone planned to spend their dollars in San Diego, Norman included."I work 45 minutes from here, and I'm just trying to find something to do to make the best of it," she said. For Norman, that was to go back onto the Bliss, the ultramodern ship where many of the amenities are prepaid. 2761

SAN DIEGO (KGTV) — Friday, Oct. 4 marks perhaps San Diego's favorite food holiday National Taco Day.Across San Diego, chain and local taco purveyors are celebrating by offering some delicious deals on Friday.Local spots Puesto, Sandbar, and On the Border have special deals for San Diegans to enjoy, with nationwide stops like Rubio's, Del Taco, and Taco Bell (kind of) are celebrating with deals.Exploring San Diego: Odd-sounding tacos with serious flavorTaco Deals:Puesto (locations in San Diego and La Jolla): Head to any Puesto location and enjoy a Taco of the Month (Pescado a la Veracruzana) when dining in on National Taco Day. Puesto is also celebrating their future Mission Valley location with a special pop up at the Mission Center Road site with free tacos.Sandbar (718 Ventura Place, Pacific Beach): Grab tacos at Sandbar all day Friday along with Happy Hour specials from 4 p.m. - 7 p.m.Rubio's Coastal Grill: Bring in this coupon to participating Rubio's locations on Friday and get any a la carte taco free with a drink purchase.Baja Fresh: Enjoy buy one, get one free tacos on Friday at Baja Fresh. Follow them on Instagram or Facebook, where they'll post a barcode required to redeem the BOGO taco.On the Border (locations in Mission Valley, Mira Mesa, and Escondido): On the Border is offering endless tacos for .99 all day for National Taco Day.El Pollo Loco: For National Taco Day, El Pollo Loco will donate one taco to someone in need for every Taco al Carbon sold. The promotion is part of the chain's Buy One, Feed Many promotion supporting local charities fighting food insecurity.Del Taco: Del Taco is offering a free taco for anyone who makes a purchase using the Del Taco mobile app and a Beyond Taco or Beyond Avocado Taco for free with any purchase through the app.Taco Bell: Celebrate National Taco Day with an exclusive National Taco Day "gift set" that includes two crunchy tacos and two Nacho Cheese Doritos Locos tacos.Chronic Tacos: Chronic Tacos is giving away free tacos to anyone who gives the code word "Tacolife" at the register on Friday. The closest location is in Temecula. 2133

SAN DIEGO (KGTV) -- Dr. Scott Overcash and the staff at La Mesa-based laboratory eStudySite are preparing for what could be a history-making clinical study."I'm personally really excited about being in the effort to try to prevent people from getting the disease," said Overcash.In just days, Overcash will soon be overseeing a first-of-its-kind trial of a coronavirus vaccine created by the American biotech company Moderna.Starting as early as next week, the first of 350-500 local patients will begin receiving the vaccine.The same one has already been given to patients in phases one and two of the trial. This is the next and possibly final step before FDA approval."What's a little bit different about this particular situation is that the different phases have all been sort of compressed and are all ongoing at the same time," Overcash explained.Overall, 30,000 people around the country are expected to take part in this larger study.Unlike earlier phases, this round is targeting a more vulnerable part of the population.The patients taking part will belong to one of three groups: older than 65, younger but with underlying conditions or those at high risk of catching the virus because of their job.Moderna's vaccine uses what's called messenger RNA to trick the body's cells into producing the antibodies necessary to fight the virus.So far, this particular vaccine has shown promise, but only time will tell"There are multiple candidate vaccines that are going to be rolling out and we're just so hopeful that at least one will be effective enough to be rolled out for use," said Overcash.To learn how to participate in a clinical trial, visit https://coronaviruspreventionnetwork.org/. 1708