For a COVID-19 vaccine to stop the pandemic, a large percentage of the population will have to get vaccinated. A law professor explains how far government and employer vaccine mandates can legally go.

For a COVID-19 vaccine to stop the pandemic, a large percentage of the population will have to get vaccinated. A law professor explains how far government and employer vaccine mandates can legally go.

A vaccine that's 70% effective might not be good enough if too few people are willing to be vaccinated, new research shows.

A vaccine that's 70% effective might not be good enough if too few people are willing to be vaccinated, new research shows.

Nanoparticles dressed up in cell membranes snag SARS-CoV-2 virus particles before they reach human cells.

A century ago, the influenza pandemic killed about 50 million people. Today we are battling the coronavirus pandemic. Are we any better off? Two social scientists share five reasons we have to be optimistic.

To find a SARS-CoV-2 vaccine, scientists need to work hands-on with the highly infectious coronavirus. It happens in a super secure lab designed to keep them safe and prevent any escapes.

Should the US be able to pre-order vaccines for its citizens when other populations around the globe are at greater risk?