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The human flea (Pulex irritans) – once also called the house flea [1] – is a cosmopolitan flea species that has, in spite of the common name, a wide host spectrum. It is one of six species in the genus Pulex ; the other five are all confined to the Nearctic and Neotropical realms . [ 2 ]
Flea bites in humans. Fleas feed on a wide variety of warm-blooded vertebrates including dogs, cats, rabbits, squirrels, ferrets, rats, mice, birds, and sometimes humans. Fleas normally specialise in one host species or group of species, but can often feed but not reproduce on other species.
Cat fleas originated in Africa [4] but can now be found globally. [5] As humans began domesticating cats, the prevalence of the cat flea increased and it spread throughout the world. Of the cat fleas, Ctenocephalides felis felis is the most common, although other subspecies do exist, including C. felis strongylus, C. orientis, and C. damarensis ...
Fleas can spread other diseases too. Other flea-borne bacterial diseases may cause fever, body aches, nausea/vomiting, cough, rash, swollen lymph nodes, skin lesions/rashes, and/or other symptoms ...
Some people think there are insects called sand fleas that bite you. But some experts say the creature that bites you and the sand flea are likely entirely different beasts.
Fleas can be drowned by immersion for about 24 hours; they may appear to be dead if immersed for shorter times, but can revive after some hours. [11] Soaps and surfactants can facilitate the death of fleas in bathing. The process of washing the flea (and the pet) removes integumental waxes on the flea's body and it dies from dehydration. [12 ...
The flea is wingless so it can not fly, but it can jump long distances with the help of small, powerful legs. A flea's leg consists of four parts: the part that is closest to the body is the coxa; next are the femur, tibia, and tarsus. A flea can use its legs to jump up to 200 times its own body length (about 20 in or 50 cm). [4] [citation needed]
People can catch bird flu when enough virus gets into their eyes, nose or mouth or when they breathe it in. ... It’s still a good idea to cook eggs and poultry to a safe temperature and prevent ...