CDC researchers are estimating that asymptomatic COVID-19 carriers account for at least half of all community transmissions. This includes carriers who never develop symptoms as well as those who later do.

Among the many Americans refusing to get vaccinated against COVID-19 when their turn comes up is a prominent surgeon who’s also a professional medical communicator and a Johns Hopkins public-health professor.

It’s not inconvenience or expectations of long waits that are prompting the deliberated refusals.

Academic experts in disaster response have developed an AI-based simulation model that accurately predicts ebbs and flows in traffic at drive-through vaccination stations.

Almost a quarter of surveyed physicians say they’ve been personally attacked on social media or by other online means. That’s men and women alike, and in about equal ratios.

Until this week, the least densely populated continent was the only one of the world’s seven that looked like it might escape the COVID crisis unscathed. Now there are none.  

Official mandates to social distance during the COVID-conscious holidays are going to fall on many a deaf ear if they fail to respect a ubiquitous human impulse at the core of such annual celebrations. 

A few months into the COVID crisis, the health department of California’s Contra Costa County faced an unexpected side challenge: Staff were getting inundated by faxes bearing vital health data.