"We’ve known that rats and other rodents played a role for ages," Schaffner said. "Now we know that body lice can transmit ...

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 ...

Despite what you’ve likely heard, rats didn’t cause the Bubonic plague. More recent studies point to fleas and lice, which ...

(We refer to the “Blond Aryan” complex. . . .) —Hans Zinsser: Rats, Lice and History. Blond Aryans with the louse complex were threatened by their blood brothers last week. Typhus was ...

All pets (rats, mice, guinea pigs ... On follow-up examinations (ten days after the second application of fipronil), no lice or their developmental stages were found and the animals' behavior ...