The clue is in your poo. Two experts explain the history and science behind wastewater surveillance.
Academic rigour, journalistic flair
Articles on SARS-CoV-2
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Intuitively, we would assume that subsequent infections should be less severe. But this won’t always be the case.
The FDA’s authorization of COVID-19 shots for children ages 6 months to 4 years will bring relief for millions of parents. Pending CDC endorsement, shots for this group will be available within days.
‘Hybrid immunity’ is the term for immunity acquired from both prior infection and vaccination.
The COVID-19 pandemic has seen an increase in wastewater testing to monitor the spread of the virus. But historical cases show that targeted surveillance can further marginalize vulnerable populations.
Waiving patent rights on COVID-19 vaccines and drugs is still crucial to ensure access globally, but the waiver on the table at the June World Trade Organization meeting doesn’t do the job.
Achieving herd immunity via vaccination was always going to be a hard ask. Now it’s mathematically impossible.
The COVID-19 vaccines continue to be effective against severe illness leading to hospitalization and death in all age groups, including children ages 5 to 11.
Scientists are working on intranasal COVID vaccines. Not only are these vaccines delivered differently – but they also target a different part of our immune system.
With the right training, dogs can sniff out more than 90% of COVID cases.
Even taking into account people who have had COVID but didn’t know it, there’s still likely to be a group of people who have never been infected.
Scientists exploring the possibility of an animal origin for Covid-19 are still investigating the missing link between bats and human beings.
With the relaxation of mask-wearing mandates, there’s even more need to know how much over-the-counter tests help.
The direct effects of COVID-19 disease on pregnant women, newborns and children are acknowledged. But the indirect effects of the pandemic have been equally devastating.
Your blood can hold a record of past illnesses. That information can reveal how many people have had a certain infection – like 58% of Americans having had COVID-19 by the end of February 2022.
It’s hard to keep up. But new Omicron sub-variants are emerging that may lead to reinfections and another spike in cases.
Over 800 sites across the US report coronavirus data from sewage to the CDC. Here’s how this kind of surveillance system works and what it can and can’t tell you.
Existing coronavirus vaccines are not as effective against newer variants of the virus. Two vaccine experts explain how new vaccines currently in development will likely offer better protection.
Regulations that limit fundamental human rights should be accompanied by a transparent risk and benefit analysis.
Despite the halt to the federal mask mandate for mass transit, people may still choose to protect themselves. For those who do, the type of mask and how well it fits matter.
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Top contributors
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Professor of Medicine, University of Virginia
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Project Coordinator & Staff Scientist, Vanderbilt University Medical Center, Vanderbilt University
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Associate Professor, Epidemiology, Deakin University
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Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
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Vice-Chancellor's Research Fellow, School of Health and Biomedical Sciences, RMIT University
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Professor of Global Biosecurity, NHMRC Principal Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW Sydney
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Instructor of Human Immunology, Emory University
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Professor of Molecular, Cellular and Developmental Biology, University of Colorado Boulder
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Postdoctoral Fellow in Virology and Immunology, University of Colorado Boulder
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Postdoctoral Fellow in Virology, University of Colorado Boulder
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Research Fellow, Virology, Queen's University Belfast
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Professor of Epidemiology Healthcare Infection and Infectious Diseases Control, UNSW Sydney
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Dean Faculty of Natural Sciences and Professor, University of the Western Cape
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Professor and Director of Quantitative Biosciences Institute & Senior Investigator at the Gladstone Institutes, University of California, San Francisco
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Conjoint Professor, School of Medicine and Public Health, University of Newcastle
