The U.S. healthcare company's chief scientific officer said it was premature to say how many doses would be available in March.

The details of vaccine prices may allow countries that have not yet procured vaccines or are still negotiating with drugmakers to take a harder approach in securing their doses.

Kids and teenagers under the age of 16 can't get the COVID-19 vaccine. Should teachers and educators get a higher priority in getting vaccinated?

The data suggests that those aged over 70, who are at higher risk of serious illness and death from COVID-19, could build robust immunity.

In recent weeks, vaccine opponents have made several unsubstantiated claims.

The federal government has committed tens of millions of dollars to help find or create a vaccine for the novel coronavirus that causes COVID-19.