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SAN DIEGO (CNS) - According to research published Friday by UC San Diego School of Medicine and San Diego State University researchers, the risk of contracting COVID-19 from handling trick-or-treat candy that has been in contact with a coronavirus-positive person is minimal, but not zero.In the study published Friday in the journal mSystems, the researchers analyzed the viral load on Halloween candy handled by patients with COVID-19.SARS-CoV-2, the virus which causes the illness COVID-19, is primarily transmitted by respiratory droplets and aerosols. The risk of infection by touching fomites -- objects or surfaces upon which viral particles have landed and persist -- is relatively low, according to multiple studies, even when fomites are known to have been exposed to the novel coronavirus. Nonetheless, the risk is not zero."The main takeaway is that although the risk of transmission of SARS- CoV-2 by surfaces -- including candy wrappers -- is low, it can be reduced even further by washing your hands with soap before handling the candy and washing the candy with household dishwashing detergent afterwards," said co-senior author Rob Knight, professor and director of the Center for Microbiome Innovation at UCSD."The main risk is interacting with people without masks, so if you are sharing candy, be safe by putting it in dish where you can wave from six feet away," he said.As San Diego County heads into a Halloweekend, public health officials are urging members of the public to practice COVID-19 protocols -- including avoiding large gatherings such as Halloween parties and door-to-door trick-or-treating."These activities involve face-to-face interactions with people from different households," said Dr. Wilma Wooten, the county's public health officer. "If a COVID-19 infection is detected among a participant, it will be very difficult to find and notify those who may have been exposed."These traditional Halloween celebrations are not advised, and large gatherings are not allowed under state or local health guidance. The county has reported dozens of community outbreaks in the past week.For their study, the researchers enrolled 10 recently diagnosed COVID- 19 patients who were asymptomatic or mildly symptomatic and asked them to handle Halloween candy under three different conditions: Normally with unwashed hands, normally with washed hands and extensive handling while deliberately coughing.The candy was then divided into two treatments -- no post-handling washing and washed with household dishwashing detergent -- followed by analyses using real-time reverse transcription polymerase chain reaction, the same technology used to diagnose COVID-19 infections in people, and a second analytical platform that can conduct tests on larger samples more quickly and cheaply. Both produced similar findings.On candies not washed post-handling, researchers detected SARS-CoV-2 on 60% of the samples that had been deliberately coughed on and on 60% of the samples handled normally with unwashed hands. However, the virus was detected on only 10% of the candies handled after handwashing.The dishwashing detergent was effective for reducing the viral RNA on candies, with reducing the viral load by 62.1 percent.The researchers had also planned to test bleach, but noted that bleach sometimes leaked through some of the candy wrappers, making it unsafe for this type of cleaning use.The study authors underscored that the likely risk of SARS-CoV-2 transmission from candy is low, even if handled by someone with a COVID-19 infection, but it can be reduced to near-zero if the candy is handled only by people who have first washed their hands and if it is washed with household dishwashing detergent for approximately a minute after collection.Knight led the study with Forest Rohwer, viral ecologist at San Diego State University, and Dr. Louise Laurent, professor at UC San Diego School of Medicine. 3937

SAN DIEGO (CNS) - Another 2,925 of Pfizer's long-awaited COVID-19 vaccines arrived at UC San Diego Health for front line healthcare workers Tuesday morning.The vaccine -- estimated to be 95% effective at preventing COVID-19 -- recently received emergency use authorization from the U.S. Food and Drug Administration. Vaccine distribution is coordinated through the California Department of Public Health and public health departments, governed by recommendations from the U.S. Centers for Disease Control and Prevention's Advisory Committee on Immunization Practices. Following these recommendations, health care workers are receiving the first available vaccinations."Our goal is to vaccinate as many employees as quickly as possible, depending upon supplies and evolving circumstances," said Patty Maysent, CEO of UC San Diego Health."With subsequent vaccine shipments from Pfizer and as other vaccines, such as Moderna, come online, we will expand the opportunity to vaccinate to all health system employees, our patients and communities beyond. We are determined to do this as safely and effectively, as rapidly and methodically, as we can," Maysent said. "But even with actual vaccinations starting, we must continue to follow all current measures designed to slow viral spread and infection, from masking and distancing to hand washing and signing up for CA NOTIFY."The first doses of the vaccine arrived Monday with San Diego County receiving and storing about 12,000 in subzero freezers to distribute to regional acute health care hospitals. Rady Children's Hospital will also receive vaccines this week.The 28,000 the county will receive in the first Pfizer batch is part of around 327,000 doses California is expected to receive in the first distribution. According to the county, the initial allotment will cover around 72% of what is needed for all identified health care first-tier recipients.Critical care health workers will be the first people to get the vaccine, followed by nursing home and long-term care facility residents and employees. The initial distribution will not be sufficient to vaccinate all people in those populations; however, the state anticipates receiving hundreds of thousand more doses over the next few weeks, followed by weekly allocations starting next year.Once people in these first two groups in are vaccinated and more COVID- 19 vaccine doses are available, they will go to essential workers such as people who work in education, food and agriculture, police officers, firefighters, correctional officers and transportation workers, among others.After that, the priority will be to vaccinate adults with underlying medical conditions and people over the age of 65 because they are at higher risk of developing serious complications from COVID-19.Naval Medical Center San Diego received an unspecified number of vaccines Monday, with front-line medical workers and essential mission personnel -- such as EMS, firefighters and security personnel -- to begin receiving the first dose of the vaccinations Tuesday. Naval Hospital Camp Pendleton took a portion of those doses for personnel north of San Diego and will begin vaccinations Wednesday.Rear Adm. Tim Weber, commander of Naval Medical Forces Pacific, said the number of doses delivered to the Navy in San Diego is likely fewer than the number of "first-tier" medical personnel at the two hospitals. Subsequent vaccine allotments -- as the supply chain dictates -- will allow for the second dose of the vaccine to be administered to medical and other mission-essential workers, as well as those who missed it the first time, Tricare dependents and non-essential personnel.The number of doses delivered to the San Diego-area military is classified, Weber said, calling it an "operational security issue." However, the U.S. government has allocated vaccines to 64 jurisdictions, and the DOD plans to administer its initial allocation of 43,875 doses to populations of uniformed service members -- both active and reserves. That includes members of the National Guard, dependents, retirees, civilian employees and select contract personnel.Capt. Devin Morrison, acting director of Naval Medical Center San Diego, said vaccines for military personnel will be voluntary until the FDA's emergency use authorization is lifted, at which time military personnel will follow DOD guidelines. Military personnel, including medical workers, can refuse the vaccine until then and will continue to operate with strict personal protective equipment standards, Morrison said. 4565

SAN DIEGO (CNS) - Flames tore through a large commercial building in the Morena area Friday, causing extensive damage and sending a thick plume of smoke into the air near Mission Bay.The blaze in the 1200 block of Morena Boulevard erupted about 5:40 p.m., the San Diego Fire-Rescue Department reported.Police closed down the north-south street to through traffic while firefighters worked to subdue the intense flames.Crews were still working to get the blaze under control as of 6:30 p.m. and trying to get inside the two-story structure to check on a report there might be someone inside, according to SDFRD public affairs.There were no immediate reports of injuries. 677

SAN DIEGO (CNS) - At least one person was killed Saturday in a three- vehicle collision on the San Diego (5) Freeway in San Diego, authorities said.The crash was reported at 5:07 a.m. on the northbound San Diego Freeway at Via De La Valle South, according to the California Highway Patrol.A white sedan, motorcycle and unknown vehicle were involved in the crash, the CHP said.All northbound traffic was stopped just south of Del Mar Heights Road and taken off the freeway at that exit, the CHP said. 507

SAN DIEGO (CNS) - Councilwoman Barbara Bry jumped into second place Monday in the San Diego mayoral primary election, leapfrogging over Councilman Scott Sherman.The two candidates with the most votes will head to the general election in November, so depending on the final vote count, San Diego voters could be faced with a choice between presumptive front-runner Assemblyman Todd Gloria, a Democrat, and Republican Sherman -- or another Democrat in Bry.The latter option would guarantee San Diego its first Democrat mayor since Bob Filner resigned in 2013 and just the second Democrat elected to the nonpartisan position -- several Democrats served as interim mayors in 2005 and 2013 -- since Maureen O'Connor stepped down in 1992.Bry currently leads Sherman by just nine votes out of 338,673 counted in the race so far -- or .0026% of the vote.With a projected 37,000 provisional ballots left to be counted, and with Sherman's election-night lead of more than 3,000 votes officially made up, the race could prove exceedingly close.If Bry were to gain votes at the same rate as Monday -- which is far from assured -- she would win by just under 500 votes.In the race for City Council District 1, Will Moore maintained his lead over Aaron Brennan for second place. He holds nearly a 730-vote advantage to be in the November general against Joe LaCava.In Council District 3, Toni Duran increased her lead over Chris Olsen and is all but assured of facing Stephen Whitburn in the general election. 1503