Last year, 189 countries – home to roughly 65% of the global population – cut themselves off from the world at some point. Borders are now reopening and travel resuming, but normal is a ways off.
The US was not ready for the coronavirus pandemic in 2020. What can public health leaders and policymakers do to make sure we don't face another winter of rampant disease?
Websites that crash. Appointments that fill up within seconds. Scheduling your COVID-19 vaccine shouldn't be this hard. A few states have found a better way.
The virus is evolving and new strains are more transmissible. Will the vaccines work against these new variants? How can researchers stay ahead of the virus's evolution?
The COVID-19 case spike in the summer of 2020 and earlier attempts to rely on personal responsibility, like wearing seat belts, showed that mandates make a difference.
The new SARS-CoV-2 variant is already spreading in the US and could be dominant by March, the CDC warns. Here's what that means for the masks you choose and how you practice social distancing.
The website has triggered random appointment cancellations and unreliable sign-ups. Only one contractor was deemed qualified to build it – and it wasn't a major tech company. We've seen this before.
With a third of adults saying they likely won't get the vaccine, the US has a herd immunity math problem.
Experiments in college classrooms show how tiny respiratory droplets known as aerosols can spread, even with good ventilation. The risk isn't the same in every seat.
The outdoors is less risky than an enclosed room, but it isn't a COVID-19-free zone. Here's what you need to know.