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SAN DIEGO (KGTV) — Two new studies published this week suggest people with blood type O have a lower likelihood of catching COVID-19 and developing severe illness than people with other blood types.Blood type is a characteristic we inherit from our parents and there are four major blood groups: A, B, AB and O.Danish researchers looked at nearly 500,000 people who tested positive for COVID-19 and found that people with type O were underrepresented.In a study published in the journal Blood Advances, the researchers found 38.4 percent of those infected had type O when that type actually makes up 41.7 percent of the population in that area.The researchers say the findings suggest people with type O are less likely to get infected in the first place.On the other hand, the team found that people with type A blood were overrepresented: 44.4 percent of those infected had type A compared to an expected value of 42.4 percent. The researchers suggest people with type A might be more at risk.Another study, also published in Blood Advances, looked at 95 critically ill patients in Canada. They found people with type O or type B blood tended to have a shorter stay in the intensive care unit, an average of nine days for those blood types compared to 13.5 days for people with type A or AB.They also reported that people with type O or type B were less likely to need a ventilator, with 61 percent of cases requiring mechanical ventilation compared to 84 percent for people with blood type A or AB.“Yes, there may be some of these associations. I don't think it's fully understood at this point,” said Dr. Christian Ramers of Family Health Centers of San Diego, who was not involved in the studies.The science on COVID-19 risk and blood type is mixed. These two new studies align closely with a previous study in China and another in Europe, but a third study in the U.S. found no significant link between severe COVID cases and blood type.At this point, doctors aren’t sure why blood type might affect outcomes with the disease, but there are several theories.“The immune system is an incredibly mysterious and complicated thing that we don't fully understand,” Ramers said. “Blood type sort of plays into that because people with different blood types actually have slightly different immune systems and immune responses.”Your blood type impacts the kind of antibodies you produce. That is why it is so important in blood transfusions to get the right blood type; blood from the wrong donor can trigger antibodies that attack those red blood cells.People with blood type O have two sets of antibodies, known as anti-A antibody and anti-B antibody. People with type A or B only have one or the other.Researchers in the Canadian study hypothesized that the anti-A antibody in particular may help control the coronavirus. People with blood type O and blood type B produce this kind of antibody. Individuals with type A or type AB do not.People with blood type O also have characteristics that make them less prone to issues with blood clotting, a major issue in severe cases of COVID-19.Experts say that if type O blood is protective against the virus, it’s not by a large amount.And this protective benefit doesn’t extend to all pathogens. Past studies have shown people with type O are more at risk from a type of bacteria that can cause ulcers and cholera. 3369

SAN DIEGO (KGTV) --  Pacific Trails Middle School student Kevin Luo has been crowned the winner of the 2018 countywide spelling bee.The 8th grader won the bee at 12:30 p.m. after a grueling three and a half hours of spelling. This year's winning word was gradine, which is "a low step or ledge, especially one at the back of an altar."Last year's winner was also from Pacific Trails Middle School. Yash Hande advanced to the 90th annual Scripps National Spelling Bee. Although he spelled several words correctly, Yash didn't advance to the finals due to his score on the written test. Watch the entire bee in the player below:  680

SAN DIEGO (KGTV) — Wasting away in "Margaritaville" will soon be an option much closer to home.The site of downtown's Solamar Hotel will be renovated to make way for the Margaritaville Hotel, set to open in 2021. The hotel will include 235 guest rooms and plenty of signature Margaritaville food and drink concepts for visitors.The renovation and full conversion of the hotel is expected to cost about million.RELATED: Margaritaville Island Resort coming to San Diego“We are excited to announce our second hotel in affiliation with Margaritaville in San Diego,” said Jon Bortz, CEO of Pebblebrook Hotel Trust. “The downtown location in San Diego’s famed Gaslamp Quarter will provide convention goers, leisure guests and corporate travelers a unique experience in very close proximity to the city’s dining, entertainment and retail venues ... The Gaslamp Quarter property will be a terrific complement to our Margaritaville Island Resort San Diego which was announced last year.”By 2021, Paradise Point Resort & Spa on Vacation Isle Park in Mission Bay will also see a similar transformation into the Margaritaville Island Beach Resort. The resort will feature 462 casita-style guest rooms, themed-food and drinks, and family-friendly amenities.The Solamar Hotel was purchased in 2018 by Pebblebrook Hotel Trust. The hotel is located on 6th Ave., near Gaslamp District dining and entertainment and blocks from Petco Park and the convention center — adding to its appeal for its new image.“We are thrilled to collaborate on our second hotel with Pebblebrook, a team that values quality design, creativity and engaging guest experiences,” said John Cohlan, CEO of Margaritaville. “The iconic Gaslamp District, with its dynamic nightlife, signature events and proximity to the home of the Padres, fits perfectly with the Margaritaville lifestyle." 1859

SAN DIEGO (KGTV) — Two San Diego Naval Special Warfare sailors have tested positive for coronavirus.The sailors, who tested positive Sunday, are the first two NSW personnel confirmed with the virus in Navy Region Southwest. They are isolated at their homes, according to Naval Special Warfare Command Public Affairs.Those who were in close contact with the two sailors are being quarantined in accordance with Centers for Disease Control and Prevention guidelines.RELATED: Navy closes San Diego Training Support Command after third coronavirus caseThere are now six NSW sailors with coronavirus, according to the Navy. Four sailors are currently isolated at Naval Base Kitsap-Bangor in Washington state."U.S. Special Operations Command and the Navy are committed to taking every measure possible to protect the health of our force. We remain in close coordination with local agencies, base tenant commands, and public health authorities to ensure the well-being of our personnel and the local community," the Navy said in a release. 1040

SAN DIEGO (KGTV)-- As more people grow weary of the coronavirus pandemic, the race is on to get more test kits in the hands of medical professionals. Sorrento Valley's Hologic Diagnostic Solutions is making a big dent in the test kit shortage. Staying at home and away from others is Gov, Gavin Newsom's hope to curb the spread of COVID-19. But that does not curb fear. Many San Diegans still wish to get tested, but health officials say there just isn't enough. RELATED: FDA warns of fake coronavirus home test kits“The testing situation is frustrating for everyone," Dr. Eric McDonald, Medical Director of Epidemiology and Immunization of San Diego County, said. "There is a shortage of kits.”Since the Chinese government released the COVID-19 genetic sequencing on Jan. 8, 2020, medical diagnostics companies have been working around the clock to invent a new, efficient test. One of those is Hologic Diagnostic Solutions in Sorrento Valley. "We started doing exploratory science to figure out, what is the virus, and what can we do to help?" Kevin Thornal, President of Hologic Diagnostic Solutions, said.RELATED: Q and A: Fo

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