People want a simple answer. Is this action safe? But despite Anthony Fauci bouncing responsibility for COVID-19 risk assessment to individuals, your risk can’t be boiled down to one probability.

Harvard’s William Hanage, an epidemiologist and associate professor at the Harvard T.H. Chan School of Public Health, outlines what an endemic SARS-CoV-2 might look like.

Researchers at Harvard, Baylor launch groundbreaking Global Flourishing Study.

A nationwide genomic surveillance system analyzes positive COVID-19 tests to build a picture of which variants are spreading in the population.

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.