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?

Machine learning algorithms can help public health officials identify areas of high vaccine hesitancy by ZIP code to better target messaging and outreach and counter misinformation.

The risk of getting the coronavirus from a surface is low. But the frequent hand-washing from early in the pandemic is a good thing since most people weren’t washing their hands enough to begin with.

Tylenol has long been considered a go-to medication for low to moderate pain and for fever reduction, even during pregnancy. But mounting evidence suggests that it is unsafe for fetal development.

A lot has happened since the WHO declared the coronavirus outbreak a pandemic. A portrait in data highlights trends in everything from case counts, to research publications, to variant spread.

What kind of evidence does it require to get a widely used chemical banned? A professor of medicine and former state regulator explains how the case for chlorpyrifos as a threat to public health developed.

Vaccinations, masks and some distancing – along with low community transmission – can help protect students in classrooms and cafeterias.

Researchers had suspected that chemical hair relaxers might be behind racial disparities in breast cancer diagnoses. A new study narrows in on lye as a possible cause for that link.

A more coordinated effort by scientists, stakeholders and community members will be required to stop the next deadly virus that's already circulating in our midst.