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SAN DIEGO (KGTV) — The threat of coronavirus still is looming and combined with a new problem of bad air quality from west coast wildfires, means there are now more reasons to wear masks, but not all masks will protect against both.The CDC currently recommends the public wear masks with two or more layers over their nose and mouth to stop the spread of COVID-19. In regards to the particulate matter in the air because of wildfire smoke, the cloth coverings are not enough protection.“If you’re wearing a cloth mask for COVID, it doesn’t necessarily mean you’re protected from those microscopic smoke particles that can still be breathed in,” said Robert Reider, Interim Director of the San Diego Air Pollution Control District, or SDAPCD.Reider said the air in Southern California has been some of the worst in the world through the past week. This is because of the multiple wildfires burning in Northern California, Oregon, and Washington. The winds are pulling the smoke south and it’s settling in places like San Diego, creating hazy and unsafe conditions. Reider said the winds are expected to shift around Friday, meaning the haze should clear after that.In the meantime, Sharp Rees-Stealy physician Jyotu Sandhu said N95 masks are the best protection against wildfire smoke. He added that individuals should assess their own health when determining how seriously they need to take the smoke. People with lung or breathing issues like asthma and COPD should be more aware of the smoke.The SDAPCD issued a Wildfire Smoke Advisory because of the impacts. The air quality will range between "moderate" and "unhealthy for sensitive groups" through Thursday. Sandhu said he’s had patients asking if it’s safe to exercise in the smoke. He said if a person is healthy, they can go outside but should consider spending less time outdoors than usual. For example, if a healthy person runs outside for an hour a day, it might be smart to cut that time in half and only run for half an hour in the smoke. He said if possible, exercising indoors is safer than outside while the smoke persists. 2098

SAN DIEGO (KGTV) — The world's only two platypuses to live outside of Australia now call the San Diego Zoo Safari Park home.The zoo recently received the two platypuses — a male named Birrarung that hatched in 2011 and female named Eve that hatched in 2004 — from Taronga Zoo Sydney. The animals were flown to San Diego in crates specially designed for platypuses, according to San Diego Zoo Global.Here the two animals will live in the Safari Park's Walkabout Australia habitat, where a special home has been constructed for them.RELATED: San Diego Zoo's endangered tree kangaroo joey emerges from mother's pouchPlatypuses are semi-aquatic animals that live in freshwater habitats. In San Diego, the zoo says they will be ambassadors for the species outside of their native Australia and advocate the "importance of freshwater for both humans and wildlife."Australian conservationists have been working to determine the status of the animal in the wild using environmental DNA, or trace DNA found in their habitats.“Overall, platypuses were detected at 38 percent of sites sampled in Victoria and 32 percent of those in New South Wales,” said Josh Griffiths, a senior wildlife ecologist. “Although it is still too early to draw many conclusions from this raw data, some trends are emerging. For instance, higher platypus occurrence is associated with native vegetation cover, high in-stream complexity (providing good habitat for macroinvertebrates) and suitable burrowing habitat.”RELATED: Historic in vitro southern white rhino birth is first for San Diego Zoo, in the U.S.Part of the challenge for researchers is investigating dry conditions found throughout the country. The "eDNA" method is helping scientists determine the presence of the generally shy, nocturnal species.The International Union for Conservation of Nature’s Red List of Threatened Species recently changed the status of the platypus from a "species of least concern" to "near threatened."Australian researchers say the eDNA study helps them determine the impacts of environmental threats like land use, altered water flow, and habitat degradation where platypus populations are detected. They hope that data allows them to effectively protect the species from becoming more endangered in the future. 2281

SAN DIEGO (KGTV) — The University of California San Diego is planning to make a new first impression. New renderings show the schools intentions of building a "‘grand entrance" to attract more students and people from San Diego. A 3,000 seat amphitheater, a six-building student center with retail and restaurants are just some of the things showcased in the new plans. “There is hardly a thing that exists in the Gaslamp or Balboa that doesn’t exist here,” said UCSD Chancellor Pradeep Khosla on the renderings. UCSD believes public transportation that’s being built near and on-campus will help with the future influx of people they want checking out their amenities. The blue line trolley and the three stations around the area are forecasted to be completed by 2021. “We want to be one more destination to the San Diego experience,” added Khosla, “we’re gonna change this campus to have these things so students can hang out and the community will come here to hang out too.” The price tag is still being worked out but it’s expected to cost well into the hundreds of millions of dollars. 1100

SAN DIEGO (KGTV) -- This Veterans Day weekend, a group of Vietnam veterans will spend hours assembling and taking down their traveling memorial wall.Members of the non-profit ministry group, Point Man Antelope Valley, say it's a tribute to their friends who never made it home from war.Viewers can watch the wall being assembled from all angles through a 360-degree video experience. Use your mouse to navigate the video clips below in all directions.Virtual Reality Advertising. Virtual Reality AdvertisingThe wall is a half-scale replica of the Vietnam Veterans Memorial Wall in Washington, D.C.Inscribed on it are the names of 58,318 people.Organizers say it took years to raise 2,000 to fabricate the wall. The veterans say it's their duty to share it with the rest of the world."Even if you have no friends or relatives on this wall, and you walk up and you see all these names, it affects you, it will get to you," said Michael Bertell, President of the AV Mobile Wall.Donations are used to maintain, store and travel The Wall.You can also keep up with the wall's travels on the group's Facebook page. 1128

SAN DIEGO (KGTV) -- Thousands of dogs and their owners were out for the annual Humane Society Walk for Animals at Liberty Station Saturday morning. The event raises money for all animals at the humane society, including pets that have been abused, injured or orphaned.  287