Tara C. Smith

Exposure to a virus isn’t an all-or-nothing proposition. The concept of “infectious dose” suggests ways to keep ourselves safer from harm.

Several real-life pathogens can change a host’s behavior against their will. Here’s what we know about these zombie-like infections.

Even though we’ve learned a lot about this relative of smallpox, some mysteries remain due to a lack of political will.

While it’s understandable to focus on the diseases affecting humans, it’s important to study how our illnesses may affect animals.

No matter how much we’d like to eradicate SARS-CoV-2, it may be better to settle for other forms of control.

Other diseases with long-term symptoms can help us understand how COVID can affect us long after the virus itself is gone.

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.