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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.
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 ]
Pulicidae feed on mammalian blood. Ctenocephalides felis felis is also known as the cat flea, and is an extremely important parasite of domestic cats and dogs. They prefer to feed on areas round the head and neck of a cat, rather than the ventral part of the body. [4]
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 ...
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 ...
Humans acquire infection by inhalation or by self-inoculating infected fleas or flea feces into skin when they visit disease-endemic areas infested with rats. [ 20 ] [ 27 ] Most patients present with a fever, and many have a rash and headache, [ 26 ] although it can also lead to disseminated , multisystem disease including infections of the ...
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]
Finally, if you really want to make sure you don't open a new bag of flour to find it crawling with uninvited friends, yes, he assures, the freezing hack works: "Wheat flour can be frozen for one ...
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