There are more than 2,000 species of tiny (0.04 to 0.15 inches), wingless, blood-sucking fleas that live on the body of the host they infest. Although fleas cannot fly, they have developed powerful ...

Medically reviewed by Rochelle Collins, DO Flea bites cause red, itchy bumps on your skin.Hydrocortisone cream, cold packs, ...

The plague might be most commonly associated with the devastating European pandemic of the 1300s known as the "Black Death". But today the disease remains endemic in a number of countries, notably ...

The human flea is actually rare in Central Europe. However, in Berlin, the parasites are currently spreading—likely due to foxes. PETBOOK editor and biologist Saskia Schneider explains how fleas ...

Researchers uncover why some homes in rural Madagascar where bubonic plague is endemic are infested with fleas. Based on their findings, they recommend ways to reduce the flea populations and their ...