“Flea bites often result in small, red bumps, with a ‘halo’ around the bite center,” says Jim Fredericks, Ph.D., a ...

Researchers thought the bacterium would infect fleas on rats, and when the rats died, the fleas would jump to humans, infecting them. Rats are also thought to be responsible for spreading more recent ...

The abundance of human fleas is primarily associated with households that have a traditional dirt floor covered by a plant-fiber mat, as opposed to households with cement or board floors.

Fleas typically live in dark, moist places and can be found in wood piles, tall grass, trees, and shrubs. Most people associate flea bites with pets or animals, but they can live on humans too ...

At times, fleas may intermittently jump and bite people, adds entomologist Dr. Tracy Ellis. Humans may experience ... make sure to keep it clean and covered when not in use,” Baldwin suggests.