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How ‘Long COVID’ Keeps Us Sick
Other diseases with long-term symptoms can help us understand how COVID can affect us long after the virus itself is gone.
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How to Understand COVID-19 Variants and Their Effects on Vaccines
Researchers are tracking the different strains of SARS-CoV-2 and studying how they spread through our population and our bodies.
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What Other Coronaviruses Tell Us About SARS-CoV-2
As COVID-19 cases continue to increase, our extensive knowledge of other coronaviruses informs our understanding.
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The Animal Origins of Coronavirus and Flu
Zoonotic diseases like influenza and many coronaviruses start out in animals, but their biological machinery often enables them to jump to humans.
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How to Permanently End Diseases
Smallpox was eradicated relatively quickly, but other diseases have proved harder to eliminate. The reasons are a mix of biology and psychology.
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What Bacteria Can Tell Us About Human Evolution
To discover our species’ deep history and to shape its future health, we should learn from the microbes that accompanied us on our evolutionary journey.
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The Unforgiving Math That Stops Epidemics
If you didn’t get a flu shot, you are endangering more than just your own health. Calculations of herd immunity against common diseases don’t make exceptions.