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A third shot of the vaccine can be given at least six months after the two-dose regimen, according to the authorization. A booster rollout could begin this week.

A fundamental part of maintaining our democracy is for citizens to have faith in it. That has been eroding among sections of the public.

With opioid overdoses surging, harm-reduction groups are calling on the FDA to change naloxone's prescription-only status. This would make it easier to get the lifesaving drug to people at risk.

Canadian Prime Minister Justin Trudeau called a snap federal election — a political miscalculation as it appears his party could lose seats. His campaign events are beset by anti-vaccine hecklers.

Big wildfires create their own weather, and can even spawn tornadoes swirling with smoke and flame. Researchers are trying to determine how often they occur.

The highest rate of COVID-19 vaccination in the United States is not in a liberal-leaning Northeastern or West Coast state. It's in a place with a notably different political culture.

We've got some age-appropriate entertainment ideas for the little goblins in your lives.

This isn't the first big vaccine rollout, and the past holds lessons for the pandemic present. Here's a look at how the polio vaccine overcame U.S. hesitancy.

KPBS science and technology reporter Shalina Chatlani sat down with Jennifer Doudna to talk about the ethics of editing DNA.

Like any government agency, the biggest American foreign aid group has its problems. This week, its new administrator Samantha Power outlined her solutions.