CDC Names Houston Well being Division, Rice a Heart of Excellence in Wastewater Epidemiology |  Rice Information |  information and media relations

CDC Names Houston Well being Division, Rice a Heart of Excellence in Wastewater Epidemiology | Rice Information | information and media relations

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A system to trace COVID-19 by means of Houston’s sewage turned the idea of an epidemiology middle that has now obtained a particular award from the US authorities and $1 million in its first 12 months of federal funding.

Rice Analysis Technician Russell Carlson-Stadler analyzes wastewater samples for indicators of the SARS-CoV-2 virus. Picture by Brandon Martin

The Houston Well being Division, in partnership with Houston Public Works and Rice College, has obtained certainly one of two Facilities for Illness Management and Prevention (CDC) grants to function a Nationwide Wastewater Surveillance System Heart of Excellence. The appointment, introduced Aug. 3 by Houston Mayor Sylvester Turner, follows the partnership’s profitable improvement and implementation of a SARS-CoV-2 wastewater monitoring system for Houston.

The middle known as Houston Wastewater Epidemiology, will present wastewater epidemiology coaching for different state and native well being companies, in addition to analysis to develop statistical instruments and metrics to enhance surveillance interpretation. It should additionally develop wastewater monitoring for brand spanking new ailments. The opposite honoree is the Colorado State Well being Division.

“I wish to take this second to congratulate the Houston Division of Well being on a job properly executed in partnership with Houston Public Works and Rice College,” Turner stated at a information convention. “(The grant) places the division middle stage because the CDC develops normal strategies for this public well being instrument.”

“This award demonstrates the worth of robust partnerships between universities and the communities they serve,” stated Rice President Reginald DesRoches. “By working collectively, specialists from Rice College, the Houston Well being Division and Houston Public Works have discovered that wastewater-based epidemiology is a strong method to combating the COVID-19 pandemic. This data can now be standardized, shared with different communities, and used as a complete public well being instrument.”

Katherine Ensor, professor of rice statistics, speaks to the media at Houston City Hall during the announcement that the city's health and public works departments and university have been named National Wastewater Surveillance System Centers of Excellence by the Centers for Disease Control and Prevention .  From left: Loren Hopkins, Professor of Statistics and Chief Environmental Science Officer at the Houston Health Department;  Sensor;  dr  David Persse, the city's chief medical officer;  and Stephen Williams, director of the Houston Health Department.

The partnership between Rice and the town started in early 2020. It was supported by funding from Rice, the Houston Well being Division, the Nationwide Science Basis, the CDC Basis, the Rockefeller Basis, and the CDC.

Rice’s personal efforts have been launched in April 2020 by a grant from the COVID-19 Analysis Fund.

The undertaking leaders are Loren Hopkins, chief environmental science officer on the Houston Well being Division and professor of statistics at Rice; Katherine Ensor, Noah G. Harding Professor of Statistics, and Lauren Stadler, Assistant Professor of Civil and Environmental Engineering. Houston Public Works Director Carol Haddock, a Rice graduate, was additionally instrumental in this system’s success.

Rice Information reported in September 2020 on the workforce’s success in establishing one of many nation’s first wastewater screening packages.

“We have been on the very starting and had essentially the most intensive statistical system that makes use of spatial sampling together with temporal sampling to quantify and assess developments in virus prevalence,” Ensor stated. “It actually shines as a result of the Houston Well being Division is performing on the data.”

“After 2 1/2 years of dedication to this initiative, wastewater evaluation has change into the main indicator of COVID-19 developments,” added Hopkins. “This has change into more and more vital in latest months, partially as a result of enhance in at-home testing, which is basically unreported.”

Catherine Ensor
Catherine Ensor
Lauren Stadler
Lauren Stadler
Loren Hopkins
Loren Hopkins

Hopkins’ shared affiliation with Rice and the town has performed a pivotal position in utilized analysis, the implementation of advances in science, expertise and better training. In March 2022, she was appointed to the Nationwide Academies’ Committee on Group Wastewater-based Illness Surveillance. Her management has ensured that this system instantly advantages Houston residents.

“The middle will assist us share our experience with states and localities throughout the nation and whereas the CDC develops steerage for this new public well being instrument,” stated Stadler, who can also be working to create protocols to search for different ailments equivalent to influenza and monkeypox to search for in sewage.

“We now have the expertise and the flexibility to find out the extent of monkeypox within the metropolis of Houston by means of the sewage system, simply as we did for COVID,” Turner stated.

Stadler’s lab and the Houston Well being Division’s lab present weekly readings from 39 metropolis wastewater remedy vegetation serving greater than 2 million individuals. These 39 weekly measurements kind the idea of the real-time monitoring system. Along with these measurements, samples are collected from carry stations throughout the town, together with colleges, nursing properties and prisons. A complete of round 100 places are sampled each week.

Fares El-Dahdah
Fares El-Dahdah
Rebecca Schneider
Rebecca Schneider
Todd Trang
Todd Trang

Variations of those early instruments to investigate and constantly monitor an infection dynamics in close to actual time are nonetheless in use at this time.

Ensor led the evaluation workforce with the assistance of the scholars and the Rice Statistics School. As of January 2021, the weekly evaluation is carried out by Rebecca Schneider of the Houston Well being Division, a graduate of the college’s Skilled Grasp of Statistics program. Ensor and Schneider make sure the system is working as designed and conduct extra investigations to grasp rising points.

Essential info offered by wastewater epidemiology issues variants of COVID-19 rising in Houston. Todd Treangen, a Rice assistant professor of laptop science, and Stadler have developed and preserve a weekly variant evaluation. Viral genomes from wastewater samples are sequenced each week to search for variants of concern.

The Spatial Research Lab, led by Farès El-Dahdah, is answerable for the public-facing dashboard, which is up to date weekly.

“This has change into a daring initiative for the town of Houston and for Rice,” stated Ensor. “It’s a excellent instance of a profitable city-university partnership based mostly on joint analysis and the switch of outcomes for the direct profit of individuals and our communities.”

Mike Williams contributed to this report.

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