Silent spreaders of the coronavirus are the target of a new testing venture in San Antonio – San Antonio Express-News
By daniellenierenberg
After Graham Weston caught the coronavirus from his son, who hadnt shown any symptoms, the San Antonio tech entrepreneur realized that the role of silent spreaders demanded more attention.
He and other prominent philanthropic leaders in the city formed a new nonprofit with the express purpose of screening hundreds and eventually thousands of people to identify who is infected and asymptomatic and keep them from unknowingly spreading the virus.
The larger goal is even more ambitious: deliver an effective way of supporting societys recovery from the pandemic.
We can never really suppress the virus and give people the confidence to go back (to school or work) when we have silent spreaders walking through our population, said Weston, founder of the 80 | 20 Foundation and former CEO and chairman of Rackspace Technology.
The nonprofit, called Community Labs, has adopted a new approach to testing that focuses on micro populations in shared places, such as area schools and businesses.
It is using an existing test developed by Thermo Fisher Scientific. The polymerase chain reaction, or PCR, test relies on a sample taken from the front of the nostril easier on the person getting tested. Results will be available within 24 hours, far faster than many providers of coronavirus tests, the nonprofits leaders said Thursday during their announcement of the initiative.
The nonprofit will pilot the testing effort in the Somerset Independent School District. It has the capacity to process 600 tests a day and aims to scale up to 12,000 tests a day by November, with the goal of lowering the price to $35 per test.
Community Labs is working with BioBridge Global, which houses the nonprofit and conducts the testing in collaboration with UT Health San Antonio. BioBridge, which operates San Antonios blood bank, owns its own lab off Interstate 10 near Vance Jackson on the West Side.
Experts estimate that up to half of people who contract the coronavirus may display no symptoms, said bank executive J. Bruce Bugg Jr., chairman and trustee of the Tobin Endowment and co-founder of Community Labs. While hospitals have widely screened patients for the coronavirus when they are scheduled for surgery, federal and local health officials have largely prioritized testing people with symptoms.
On ExpressNews.com: New nonprofit aims to improve COVID-19 testing
Its an approach that has persisted since early in the pandemic, when testing for the coronavirus was severely limited by regulatory, processing and supply chain bottlenecks. Health departments, including the San Antonio Metropolitan Health District, initially focused their efforts on people who were severely ill, those with classic symptoms and front-line workers.
Metro Health briefly tested asymptomatic people in the community earlier this year but halted the effort when a surge of cases over the summer caused demand for testing to skyrocket.
While testing those with symptoms may help diagnose people with COVID-19, it does little to halt chains of transmission that stem from asymptomatic carriers. To fill that testing gap, Community Labs is taking the exact opposite approach, Bugg said.
He said the goal is to create a strong testing model that screens for asymptomatic carriers and that can be replicated and applied in cities across the state.
Community Labs approach hinges on quick turnaround times, which are not typical with the traditional testing. Waiting a week for results would render the value of testing asymptomatic people moot, Weston said, as they wont know to isolate themselves and already could have spread the virus to others by the time they learn they are infected.
Dr. Rachel Beddard, chief medical officer of BioBridge, said the company already conducts fast, high-volume testing for communicable diseases on blood products collected by the South Texas Blood and Tissue Center and on tissue, bone marrow and stem cells gathered by GenCure, another subsidiary.
Earlier this year, federal regulators granted an emergency use authorization for the coronavirus test that BioBridge is using.
On ExpressNews.com: San Antonio students are back in classrooms very different classrooms
Somerset ISD, a seven-school system in rural Southwest Bexar County, was selected as a demonstration site after its superintendent, Saul Hinojosa, agreed to participate.
With about 40 percent of all students having returned to school for in-person learning, the district will begin testing students and staff Wednesday, starting with students involved in extracurricular activities, all high school staff and all nurses and police officers. Only students whose parents sign a consent form will be tested at school, Hinojosa said.
The goal is to test as many students as possible so they, their parents and staff feel comfortable returning to school. If everything goes according to plan and enough students agree to get tested, Hinojosa said, the entire district could be back learning face to face earlier than expected.
We need students in the classroom because thats where they learn best, and we hope that this strategy will lessen the concern on parents, along with the anxiety, to where they feel confident that the school campus is a safe environment for the kids, he said.
Unlike the deep nasal swabs that have been used to collect samples for many coronavirus tests, the test used by Community Labs uses a sample thats simpler and far less invasive to collect. Participants rub a small Q-tip inside each nostril for five seconds before dropping it into a test tube.
Community Labs was co-founded by Weston, Bugg and J. Tullos Wells, managing director of the Kronkosky Charitable Foundation. Weston is serving as chairman, while Bugg and Wells are vice chairmen.
The Kronkosky and 80 | 20 foundations and the Tobin Endowment have contributed a combined $2.5 million to start the nonprofit.
Lauren Caruba covers health care and medicine in the San Antonio and Bexar County area. To read more from Lauren, become a subscriber. lcaruba@express-news.net | Twitter: @LaurenCaruba
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Silent spreaders of the coronavirus are the target of a new testing venture in San Antonio - San Antonio Express-News
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