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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) — There's no question that San Diegans love their pets.A study from financial website WalletHub looked into where pets enjoyed the best quality of life. San Diego ranked third on the list of 100 metropolitan areas around the country.San Diego excelled when it came to pet businesses per capita (1st), dog-friendly restaurants (1st), and animal shelters per capita (2nd).RELATED: Petco opens new concept store in San MarcosOn the opposite end of the spectrum, San Diego ranked 51st in veterinary care costs and 30th in walkability. But judging by our region's strengths, it's likely pet owners are comfortable bearing the costs for critter health care.Here's a look at WalletHub's full pet analysis of San Diego: 751

SAN DIEGO (KGTV) -- Winter holidays are right around the corner and that means it’s time to send gifts off to loved ones. Shipping companies have already released holiday shipping deadlines for those starting to plan. According to the U.S. Postal Service, the week of December 16 is expected to be the busiest time for mailing, shipping and delivery this year. Check out the list below for more deadlines: USPSDec. 14 – USPS retail ground Dec. 20 — First-Class Mail (including greeting cards)Dec. 20 — First-Class packages (up to 15.99 ounces)Dec. 21 — Priority MailDec. 23 — Priority Mail ExpressClick here for more information from USPS. RELATED: The best stores for Black Friday dealsUPSDec. 13 – UPS GroundDec. 19 – UPS 3 Day Select Dec. 20 – UPS 2nd Day Air Dec. 23 – UPS Next Day AirClick here for more information from UPS.RELATED: Laptop and computer Black Friday 2019 deals: Are they worth it?FedExDec. 9 – FedEx SmartPostDec. 16 – FedEx Home Delivery and FedEx GroundDec. 19 – FedEx Express SaverDec. 20 – FedEx 2Day and FedEx 2Day a.m. Dec. 23 – FedEx Standard Overnight, FedEx Priority Overnight and FedEx First OvernightDec. 25 – FedEx SameDay, FedEx SameDay City Priority and FedEx SameDay City DirectClick here for more information from FedEx. 1267

SAN DIEGO (KGTV) - Volunteers spent Wednesday afternoon putting some TLC into the Balboa Park Carousel.Built over 100 years ago, the carousel has broken down only three times. That's in part due to support from the community and the dedication of Carousel Manager Bill Brown. He started working at the carousel at age 16 and never left.If you'd like to support the carousel, Friends of Balboa Park is seeking donations for a million capital campaign.They hope to fund improvements to the carousel and its building, as well as complete payment of the historic relic.You can donate here. 596

SAN DIEGO (KGTV) -- With the Major League Baseball season getting the green light to go forward, the San Diego Padres announced their player pool for the upcoming Summer Camp, and it includes some of the organization’s much-heralded prospects.The 52 players selected for the 60-man pool will be eligible to play this season. Pool players will begin reporting for an abbreviated training camp at Petco Park and a secondary location -- believed to be the University of San Diego -- as early as July 1.Following camp, MLB will begin its 60-game regular season on July 23.2020 MLB roster & transaction rulesThe Padres’ roster heading into camp includes big names such as Manny Machado and Fernando Tatis Jr., but the team will bring in some of the top prospects in all of baseball such as pitchers Mackenzie Gore and Luis Pati?o; infielder C.J. Abrams; and outfielder Taylor Trammell.Outfielder Robert Hassell III, the Padres’ 2020 1st-round draft pick, was also selected to be part of the team’s pool of 52 players.By Opening Day, the 30 players will be on the roster.Right-Handed Pitchers (18)Michel BaezDavid BednarRonald Bola?osZach DaviesJerad EickhoffJavy GuerraPierce JohnsonDinelson LametChris PaddackEmilio PagánLuis Pati?oLuis PerdomoCal QuantrillGerardo ReyesGarrett RichardsCraig StammenTrey WingenterKirby YatesLeft-Handed Pitchers (8)Joey CantilloJosé CastilloMacKenzie GoreJoey LucchesiAdrian MorejonDrew PomeranzMatt StrahmRyan WeathersCatchers (5)Luis CampusanoAustin HedgesFrancisco MejíaWebster RivasLuis TorrensInfielders (12)C.J. AbramsGabriel AriasJake CronenworthTy FranceGreg GarciaEric HosmerManny MachadoTucupita MarcanoOwen MillerJurickson ProfarFernando Tatis Jr.Breyvic ValeraOutfielders (9)Franchy CorderoTrent GrishamRobert Hassell IIIHudson HeadWil MyersJosh NaylorEdward OlivaresTommy PhamTaylor Trammell 1841

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