Controversial topic alert! High amounts of SARS-CoV-2 virus found in wastewater surveillance in a highly vaccinated population with little hospitalization or test positivity.
New study published in JAMA found that there continued to be a high amount of SARS-CoV-2 viral genetic material, the virus that causes COVID-19, in the city wastewater despite there being very few cases or hospitalizations after an Italian population achieved a high degree of vaccination. We dive into this study to discuss what it may mean!
This begs the question on whether vaccination drives immune escape and has contributed to the Omicron variant and sub variants, like BA.2, BA.2.12.1, BA.4, BA.5, that have arose since. It also asks whether vaccination decreases asymptomatic transmission, a topic we have covered several times on the channel linked below. And re-demonstrates that standard surveillance, relying on testing and hospitalization rates to identify community spread, seems to potentially be inadequate whereas wastewater surveillance may be the answer. We dive into all of these questions!
Links to other videos of interest!
Omicron Spread – Look To The Poop! (COVID-19 Wastewater Tracking)
Omicron BA.2 Symptoms, Global COVID-19 Case Counts, Wastewater Suggests USA Cases To Increase.
How Viruses Mutate – Revisiting With COVID-19 And Monkeypox In Mind
Monkeypox Explained
Article discussed:
https://jamanetwork.com/journals/jama/fullarticle/2790911
Additional source:
https://www.nature.com/articles/s41577-021-00544-9
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