Category: public health

Initial genomic sequencing suggests the virus hasn’t mutated to become more transmissible. So what explains its unprecedented rise across the world?

Viruses keep evolving until they run out of hosts to infect. Worldwide, billions remain unvaccinated against Covid—which means Omicron isn’t the end.

As countries declare endemicity and drop restrictions, how does a battered and bruised society embrace a sudden return to normality?

Last week, Texas health care policymakers discussed taking vaccination status into account for Covid triage. It’s a larger conversation ethicists are bracing for.

The White House’s plan to roll out third shots for any American adult is raising profound questions about global equity.

The federal agency will allow people living with organ transplants, undergoing cancer treatments, and taking some medications to get a third shot.

Now that authorized versions are available, it’s tough to recruit volunteers for trials that might give them a placebo. But there are other options.

Johnson and Johnson’s vaccine can be delivered in a single dose, but it’s also slightly less effective. Who should get it?

As emerging mutations threaten the progress made against the pandemic, scientists and regulators are racing to figure out a process for updating shots.