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SAN DIEGO (KGTV) -- Keep an eye out for two new residents at the San Diego Zoo - two penguin chicks named Lucas and Dot. The three-month-old penguin chicks will reside in the Cape Fynbos habitat with a colony of 29 adult penguins. After weeks of careful planning—including providing the chicks with a private pool, where they learned how to swim the hand raised penguins got to see their new home. The two juveniles immediately started swimming and climbing rocks, while keepers vigilantly monitored their progress. Animal care staff said the initial introduction went very smoothly and the birds behaved exactly as keepers had hoped, but they plan to allow only closely monitored interactions for the next few days.“We will be pulling [Lucas and Dot] back at night,” said Debbie Denton, keeper. “We don’t want to leave them out unsupervised yet. We just want to give them a few days out here with the rest of the colony, and make sure that they are comfortable enough to do OK on their own overnight.”Lucas and Dot were hatched in San Diego from eggs supplied though a breeding loan by the Minnesota Zoo, which has successfully hatched more than 24 eggs since opening its African penguin habitat in 2011.    Guests can visit Lucas and Dot at their home in the Cape Fynbos habitat, inside Africa Rocks at the Zoo.    1379

SAN DIEGO (KGTV) - It’s the most wonderful time of the year and volunteers are spreading a little holiday cheer for those who are less fortunate. Just Call Us Volunteers are preparing a special Christmas dinner for hundreds of homeless. 30 gallons of stock, 75 pounds of green beans and more than 270 pounds of turkey are just some of the items being served on the dinner menu. Just Call Us Volunteers is strictly made up of volunteers who want to give back. The group will serve at least three homeless shelters around the county on Christmas Day. They offer food to at least “350 at the tent downtown, the Alpha Project tent. We probably got 65 at Rachel’s Women's Shelter and 65 at the San Diego Center for Children,” says Julie Darling, organizer of Just Call Us Volunteers. The food is donated from Specialty Produce, Cupcakes Squared and Sprouts Farmers Markets. The organization says their volunteer list is full for Christmas Day but they give back all year long. They encourage everyone to donate their time in the new year. 1042

SAN DIEGO (KGTV) — It's always a good time to check on supplies and make sure you and your family are prepared for an earthquake.The County of San Diego recommends seven simple steps for earthquake safety:Fix potential hazards, like areas of your home that could pose a danger during an earthquake;Create a disaster plan with your family. The county's tips on how to handle a disaster here;Create a disaster supplies kit. The county also has tips on what to pack here;Fix your building's potential weaknesses;During earthquakes and aftershocks: Drop, Cover, and Hold-On;After the earthquake, check for injuries and damage; andWhen safe, continue to follow your disaster planSan Diego County recommends packing enough water, food, and supplies to last each member of the family at least three days. They also recommend that families practice their disaster plan so they're ready when an emergency happens.When an earthquake does happen, families should drop, find cover under something sturdy, and hold on to that cover. If there isn't anything sturdy, find an interior wall that is not near any heavy furniture or glass, scoot down and cover your head.If outside, find an open area away from buildings, trees, or anything overhead such as utility wires, sit down, and cover your head.While San Diego County has sparse earthquake activity compared to the rest of the state, one big enough can send tremors into our region.Residents can also sing up for AlertSanDiego mobile alerts from the county. Residents can also dial 2-1-1 for emergency updates. 1557

SAN DIEGO (KGTV) - If you're looking to strike gold with some St. Patrick's Day fun this weekend, you're in luck!This weekend, some of San Diego's favorite St. Patrick's Day events are returning. San Diego ShamROCK, arguably the biggest event in town, will take over the Gaslamp District with multiple stages of entertainment and fun.The "Irish 4 a Day" party hop will also keep the partying running through the night into Saturday, offering music and drink specials at participating nightclubs.RELATED: More San Diego family funSpeaking of running, get in some activity before going out at the St. Patrick's Day 10K in Mission Bay or St. Patrick's Day 5K and 15K in Temecula.And, of course, don't miss San Diego's annual St. Patrick's Day parade and festival in Balboa Park, where thousands are expected to take in the sights, sounds, and smells of the holiday.Here's more on this weekend's fun:FRIDAY"Irish 4 a Day" Party HopWhere: Gaslamp District; Cost: - 0(Runs Friday through Saturday) San Diego's "longest-running" St. Patrick's Day party. Two days of DJs, live music, green beer, and more will take place across participating Gaslamp District nightclubs. 1202

SAN DIEGO (KGTV) — In the race for a coronavirus vaccine, scientists often say we need more than one winner.That’s in part because different vaccines use different strategies to provoke the immune system, and each strategy has different strengths.Take the inactivated virus vaccine, an approach currently used in the vaccine against the poliovirus. In this approach, scientists take a live virus, kill it with chemicals or heat, and then introduce that viral corpse into a person.There are three groups in the final phase of human trials using inactivated coronavirus, primarily in China, according to a tracker from the Milken Institute.“The immune system can tell the difference between something that's a real threat and something that's not a threat, and so if you get injected with a dead virus your immune system has the tendency to not pay a lot of attention to that,” said Dr. Shane Crotty of the La Jolla Institute for Immunology.The downside of the inactivated virus approach is that it only elicits two out of the three of the parts of the immune system, Dr. Crotty said. It’s capable of producing antibodies and helper T-cells, but not killer T-cells.The modern take on the inactivated virus approach is called a viral vector vaccine.In this strategy, scientists combine elements of the coronavirus with a common cold virus called an adenovirus that won’t make you sick. Since the virus is alive, it can elicit all three kinds of immune responses, Dr. Crotty said.“There are no licensed vaccines right now that use that strategy, but there are all kinds of vaccine trials that have been done around the world with those types [of vaccines] showing that they're straightforward to manufacture. They're very safe,” he said.The University of Oxford is testing a viral vector vaccine for COVID-19 in a Phase 3 clinical trial.Then there are subunit vaccines. These include just a section -- or subunit -- of the virus’ protein.UC San Diego is working on a coronavirus candidate vaccine using this approach.There are subunit vaccines currently on the market for tetanus and other viruses.“Working with proteins is more challenging, just from a laboratory and manufacturing perspective,” Dr. Crotty said.Enter the next phase of vaccine development. Instead of using the virus itself or fragments of it, Inovio Pharmaceuticals is working on a vaccine strategy using just the virus’ genetic information.DNA-based vaccines simply introduce a genetically engineered blueprint of the virus into a person, and the cells do the rest.“Some people get confused about this. They think it’s a genetic vaccine that changes their DNA and becomes part of them, and that’s definitely not the case.” Dr. Crotty said. “They don’t become part of you. Your body chews them up.”Researchers have been working on DNA-based vaccines for about 20 years, Crotty said, but none are currently licensed for use.San Diego-based Arcturus Therapeutics is using an RNA-based approach, along with other companies like Pfizer and Moderna that have entered Phase 3 trials.Messenger RNA reads the DNA instructions and helps translate them into proteins.Dr. Crotty said the DNA and RNA approaches have similar drawbacks and benefits: they’ve never been approved for us, but both can be developed rapidly because they don’t require access to the physical virus.Around the world, there are more than 200 coronavirus vaccines currently in development, according to the Milken Institute. 3459