Researchers are tracking the different strains of SARS-CoV-2 and studying how they spread through our population and our bodies.
As COVID-19 cases continue to increase, our extensive knowledge of other coronaviruses informs our understanding.
Zoonotic diseases like influenza and many coronaviruses start out in animals, but their biological machinery often enables them to jump to humans.
Smallpox was eradicated relatively quickly, but other diseases have proved harder to eliminate. The reasons are a mix of biology and psychology.
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.
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.