Researchers around the country are looking for new tools to help track how the virus is spreading. Testing your sewage may be one way.
through sewage water testing, prompting a polio vaccination campaign to help stop the outbreak from becoming an epidemic.
Now, at least two independent research teams in the United States are developing technology to measure how much COVID-19 is in sewage water to help track virus spread. One of those teams is led by Dr. Ian Pepper, director of the University of Arizona Water and Energy Sustainable Technology Center. Dr. Pepper said the technology involves taking a sample of sewage water back to the lab, then using a molecular test called polymerase chain reaction, or PCR, to test the water for COVID-19. If the water tests positive, more tests are run, including attempting to grow the virus to see if it is still active. PCR is also used for the current COVID-19 nasal swab test.
Ultimately, this technology detects if the virus DNA is in the sewage water, and how much. Dr. Pepper explained even though virus DNA can only survive in water for a limited time, even after it is inactive the DNA is still in the water.Newsha Ghaeli is president and co-founder of BioBot, a startup spun out of the Massachusetts Institute of Technology in Cambridge, Mass. Her team also specializes in using wastewater for tracking diseases.
According to Ghaeli, public health is becoming more data-driven and one day wastewater data may drive policy decisions, such as where resources should be sent in a disease outbreak.
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