Vaccines and medical treatments can only go so far in an unequal society. Facing the ongoing history of racial discrimination and bias in the US would help end the pandemic.

For a number of reasons, as time goes on vaccines become less effective. So how do researchers calculate how well vaccines are working?

Regulatory loopholes for research conducted off US soil allow for questionable trials and misleading data to slip under the FDA’s radar.

Three pioneering technologies have forever altered how researchers do their work and promise to revolutionize medicine, from correcting genetic disorders to treating degenerative brain diseases.

The FDA approved Alzheimer's disease drug aducanumab despite minimal evidence of its efficacy. Whether this decision ultimately hurts or helps patients depends on data researchers don't yet have.

As Russia fast tracks a coronavirus vaccine, scientists worry about skipped safety checks – and the potential fallout for trust in vaccines if something ends up going wrong.