A case in Oregon is a rarity in the United States. It is not expected to spread. But this ancient and deadly disease remains a threat around the world.
For centuries, scientists and historians have wondered where the Black Death — the deadliest pandemic in recorded history — came from. New research sheds light on the ancient disease.
That's when a vaccine for plague was invented — and authorities began to consider requiring proof of vaccination before visiting pilgrimage sites in India. The debate has raged ever since.
The pope says the COVID-19 pandemic is exposing hypocrisy and misplaced priorities in the modern world, as he calls on people to remember their shared humanity.
The number of cases has prompted a ban on public gatherings — and concern from the World Health Organization. The disease is spreading in cities and has claimed 30 lives so far.
Many images that have been traditionally used to depict the Black Death are, in fact, not images of the plague at all. Now, a group of dedicated historians are trying to correct the record.
In medieval times, they called it "the black death." It's still around, routinely cropping up in the U.S. This time, the New Mexico Department of Health reports three cases.