Coronavirus

Strict measures will be needed to prevent it from taking over.

Here's a guide to the vaccines being used in different countries.

This strain quickly became the dominant coronavirus variant in Columbus, Ohio.

One day, the pandemic will end. Scientists don't know how that finale will play out but a new model offers a teaser.

At least two of the gorillas have tested positive.

A little over a year after the World Health Organization first announced a string of mysterious illnesses, the agency will travel to their point of origin to investigate how it all started.

A key mutation increase the ability of the virus to bind to human cells, but Pfizer's vaccine still works against it.

A new study highlights specific mutations that raise this concern.

Overall, the benefits of the vaccine outweigh the potential risks, the CDC said.

A coronavirus variant identified in South Africa may not be as vulnerable to COVID-19 vaccines as other strains, some scientists say.

The U.K. authorized the shots for emergency use last week.

To protect endangered black-footed ferrets from COVID-19, scientists in Colorado have injected a major captive breeding population with an experimental vaccine.

Here are just some of the ways COVID-19 changed the world in 2020.

The outbreak occurred at the a Chilean research base on the Antarctic Peninsula.

Though the vaccine hasn't been tested in pregnant people, experts think that it's likely safe.

Several severe allergic reactions that were reported among hundreds of thousands of people vaccinated with the Pfizer-BioNTech coronavirus vaccine last week.

The variant has a mutation that may make the virus "sticker" or allow it to bind more tightly to human cells.