Poop: Our Newest Ally in the Fight Against COVID-19?

TL;DR

Scientists have found that testing sewage for COVID-19 can provide valuable data on the infection's spread and help predict spikes in hospital admissions.

Transcript

This episode was filmed on June 2nd, 2020. If we have more recent coverage of the pandemic, you’ll find those episodes in our COVID-19 playlist, which is linked in the description. [ ♪INTRO ] When dealing with a pandemic, information is power. With a virus, for instance, knowing where it is and how many people are infected is essential for making g... Read More

Key Insights

• 💁 Testing sewage for COVID-19 can provide valuable information on the spread of the virus and help guide public health decisions.
• 🌥️ This monitoring method is cost-effective, non-invasive, and can assess a large population simultaneously.
• 🛀 Sewage testing has shown promising results in estimating COVID-19 cases and predicting local outbreaks.
• 👨‍🔬 Further research is needed to determine the timing and reliability of viral shedding in feces and the generalizability of sewage testing across different communities.
• 😒 Pre-prints from various countries have supported the use of sewage testing for COVID-19, but peer review is necessary to establish its validity.
• 🧑‍⚕️ Sewage testing could be a valuable tool in monitoring and controlling the COVID-19 pandemic, but it should be complemented with other surveillance methods and public health interventions.
• ⛔ Individual septic systems may limit the applicability of sewage testing in certain areas.

Questions & Answers

Q: How does testing sewage for COVID-19 work?

Scientists collect samples from wastewater treatment plants and use reverse-transcriptase PCR to detect and quantify viral genetic sequences. This method allows for the estimation of the number of infected individuals in a community.

Q: What other diseases have been monitored using sewage testing?

Sewage testing has been successful in tracking viruses such as norovirus, hepatitis, and polio. This technique has been used in hospitals to help diagnose patients and monitor disease outbreaks.

Q: Can sewage testing predict spikes in hospital admissions?

Recent studies suggest that jumps in viral RNA detected in sewage can precede increases in hospital admissions and positive nasal swabs. This could allow for the prediction of local outbreaks and the implementation of timely public health measures.

Q: Are there any limitations to sewage testing for COVID-19?

The timing of viral shedding in feces and the duration of its presence are still uncertain. Additionally, variations in waste treatment procedures and the presence of tourists may affect the accuracy of sewage testing in different locations.

Summary & Key Takeaways

• Testing individuals for COVID-19 is costly and can be logistically challenging on a large scale, which has led scientists to explore alternative monitoring methods.

• Sewage testing has emerged as a promising solution, as viruses shed in feces can be detected and quantified to estimate infection rates in a community.

• Proof-of-concept studies have shown that testing wastewater can provide accurate estimates of COVID-19 cases, but further research is needed to determine its timing and reliability.