Medieval residents of Winchester, England, probably got their leprosy from red squirrels in the area, according to a team of archaeologists and geneticists that studied remains from two archaeological ...

The bacterium blamed for the Black Death that wiped out more than a third of Europe's population within about five years of the 14 th century looks an awful lot like the modern versions of the ...

The oldest known case of the disease was found in a 6-year-old boy who died around the year 550 Unsurprisingly, the boy’s tooth also contained genetic remains of Y. pestis. He probably contracted the ...

Antibiotic resistance is real. In the years to come, we may no longer be able to treat and cure many of the infections we once could as bacteria outsmart our most sophisticated drugs. With drug ...