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Topic: Lice

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In the News (Mon 17 Jun 19)

Lice eggs (nits) are about 1/30-inch long or about the size of a period at the end of a typed sentence.
Adult lice are spread mainly by direct contact with infested persons or by using infested articles such as hats, wigs, hairbrushes, combs, towels, scarves and hair rollers.
A lice shampoo is applied to the hair for 10 minutes, washed or rinsed out followed by a special lice removal comb to remove dead lice and their eggs.
www.uri.edu /ce/factsheets/sheets/lice.html   (1973 words)

 Lice (Pediculosis) : Bureau of Communicable Disease : NYC DOHMH
Lice are six-legged, wingless, insect parasites of humans, mammals (cattle, pigs etc.), and birds (chicken and other birds).
Lice are divided into two groups: lice found on mammals, which need blood for sustenance; and those found on birds, which chew on feathers and dandruff.
Pubic lice feed on human blood and remains attached at the sites of their feeding for a long period of time and can be considered as almost stationary.
www.nyc.gov /html/doh/html/cd/cdped.shtml   (1797 words)

Lice are passed from person to person by direct contact with the hair of an infested person.
The only way to prevent lice is to keep your child locked in her room 24 hours a day, 7 days a week, 365 days a year.
It is the safest of all the pesticide-type lice shampoos.
www.askdrsears.com /html/8/T082500.asp   (2222 words)

 Human Lice - ENT/rsc-7
Another useful way to check for lice is to have the person hold their head over a light-colored towel or piece of cardboard, then brush their hair and scalp vigorously towards the towel.
Crab lice are more sedentary than body and head lice, and usually pass their entire life cycle in the same area where the eggs were deposited.
Crab lice are not known to transmit disease organisms, but one survey found that 1/3 of the individuals with crab lice also had a sexually transmitted disease.
www.ces.ncsu.edu /depts/ent/notes/Urban/lice.htm   (1678 words)

 Head Lice
Lice aren't dangerous and they don't spread disease, but they are contagious and can just be downright annoying.
You may be able to see the lice or nits by parting your child's hair into small sections and checking for lice and nits on the scalp, behind the ears, and around the nape of the neck (it's rare for them to be found on eyelashes or eyebrows).
Call your child's doctor if your child is constantly scratching his or her skin or complains of itches that don't go away, especially on parts of the body that are covered with hair.
kidshealth.org /parent/infections/common/lice.html   (1746 words)

Lice are parasitic insects which live on hairy parts of the body and feed on human blood.
Body lice and their eggs (also called nits) are spread by direct physical contact with the infested persons, their clothing, or bed linens.
The main symptom of body lice infestation is itching that may be generalized or may shift from one spot to another.
health.rutgers.edu /factsheets/lice.htm   (527 words)

 Lice - WrongDiagnosis.com
Lice, also known as fly babies, (singular: louse) (order Phthiraptera) are an order of over 3,000 species of wingless parasitic insects.
Lice attach their eggs to their host's hair with specialized saliva which results in a bond that is very difficult to separate without specialized products.
Lice are highly specialized based on the host species and many species specifically only feed on certain areas of their host's body.
www.wrongdiagnosis.com /l/lice/intro.htm   (606 words)

 Headlice and nits
Head lice are usually found on the scalp and live on blood from the 'host', which they get by biting through the scalp.
The belief that head lice are associated with poor hygiene is common but misfounded, as lice are equally likely to be found on clean or dirty hair.
Because of this problem, and concerns about the environmental effects of overusing head lice insecticide preparations (which are the same as some agricultural pesticides in general use), there is now a move to encourage people to try and get rid of head lice by a method known as wet combing or 'bug busting'.
www.netdoctor.co.uk /diseases/facts/lice.htm   (1190 words)

 Lice on Beef and Dairy Cattle
Lice are most abundant on animals during the period of greatest winter stress.
Shortnosed cattle lice are found more frequently on mature animals where they prefer to feed along the top of the neck and around to the dewlap and brisket.
Lice are usually suppressed in herds that are treated routinely for horn flies, face flies, or ticks.
www.uky.edu /Ag/Entomology/entfacts/livestc/ef512.htm   (1880 words)

Lice are tiny insects that can infest the skin anywhere on the body.
Lice are highly contagious, spreading from person to person by close body contact, shared clothes, and other items (such as hats, hairbrushes, and combs).
Lice, or the eggs (called nits), can usually be seen on the hair, behind the ears, and on the neck.
www.healthsystem.virginia.edu /uvahealth/adult_derm/lice.cfm   (415 words)

 Lice Aren't So Nice
Head lice need to be next to skin to survive - and the warmth of your skin is a perfect place for them to live.
Lice eat tiny amounts of blood (much less than a mosquito does) for their nourishment and use their sticky little feet to hold on to hair.
Lice attach their nits to pieces of hair, close to the scalp.
kidshealth.org /kid/ill_injure/sick/lice.html   (874 words)

 Head Lice Resources You Can Trust - University of Nebraska Cooperative Extension in Lancaster County   (Site not responding. Last check: 2007-11-03)
Head lice are quite small; adults are 1/10 to 1/8 of an inch long and the immature lice are even smaller.
Because the head lice nit stage is resistant to chemicals, the treatment must be repeated to kill lice that hatched after the first treatment.
While lice are transmitted in these locations, we have also heard of instances of lice transmission with children that share sports helmets and share combs at dance classes.
lancaster.unl.edu /enviro/pest/factsheets/018-99.htm   (2703 words)

 Head Lice (Pediculosis)
Lice are tiny insects that live on and crawl through the hair.
Head lice themselves are not a health hazard or a sign of uncleanliness, and are not responsible for the spread of any disease.
Lice and nits are most effectively removed by using a combination of combing and lice treatments.
www.metrokc.gov /health/prevcont/headlice.htm   (1221 words)

Lice are just one type of parasites which thrive on the human body.
Lice are small wingless insects, well suited to their mode of living.
Lice affect nearly all mammal species, though none is known to infect whales or bats, and none has been taken from duckbilled platypus, anteaters or armadillos.
www.microscopy-uk.org.uk /mag/articles/louse.html   (857 words)

 eMedicine - Lice : Article by Dirk M Elston, MD   (Site not responding. Last check: 2007-11-03)
Body lice are vectors for Bartonella quintana, an agent of infective endocarditis among the homeless and the cause of many thousands of cases of trench fever and epidemic typhus during World War I. The organism that caused trench fever persists among the homeless in urban areas, spread from person to person by lice.
In the case of head lice, a school nurse usually discovers infestation, or a generic letter is sent home to parents indicating that they should inspect their children for lice.
Mature lice are approximately the size of a sesame seed (3-4 mm) with an elongated body, 3 pairs of legs, and narrow anterior mouthparts.
www.emedicine.com /derm/topic229.htm   (3896 words)

 Lice -- Topic Overview
Lice are tiny insects that live on humans and survive by feeding on blood.
When a large number of lice live and reproduce on a person, it is called an infestation.
Head lice infestation (pediculosis) is common in preschool and elementary school—age children.
www.webmd.com /hw/raising_a_family/hw51116.asp   (181 words)

 FAQs - Lousology 101
Head lice are clear in color when hatched, then quickly develop a reddish-brown color after feeding.
Head lice are small, wingless insects which feed on human blood.
Head lice live for approximately 30 days on a host and a female louse may lay up to 100 nits (eggs).
www.headlice.org /faq/lousology.htm   (248 words)

 Human Lice, HYG-2094-96
Human lice infestations known as "Pediculosis" affects persons of all ages, whether rich or poor, from the Arctic to the Tropics and throughout history.
Usually, most lice that fall off the hair (that do not fall off easily) will not survive longer than two to three days, while nits can remain viable for up to 14 days off the human host.
Human lice are not transmitted by pets such as dogs, cats, gerbils, birds, etc. These lice do not survive on domestic animals.
ohioline.osu.edu /hyg-fact/2000/2094.html   (1993 words)

 Lice - MayoClinic.com
Lice are tiny, wingless, parasitic insects that feed on your blood.
These lice spend most of their time in the seams and folds of your clothing.
Body lice are often spread by direct contact with infected clothing or bedding or with an infected person.
www.mayoclinic.com /health/lice/DS00368   (268 words)

 Lice - Children's Hospital of Philadelphia
A lice infection is characterized by intense itching.
Lice are highly contagious, spreading person-to-person by close body contact, shared clothes, and other items (such as hats, airbrushes, and combs).
Lice or the eggs (called nits) can usually be seen on the hair, behind the ears, and at the edge of the neck
www.chop.edu /consumer/your_child/condition_section_index.jsp?id=-8297   (396 words)

 Division of Parasitic Diseases - Treating Head Lice Infestation Fact Sheet
The most important step in treating a head lice infestation is to treat the person and other family members with head lice with medication to kill the lice.
Nit (head lice egg) combs, often found in lice medicine packages, should be used to comb nits and lice from the hair shaft.
As a short-term measure to control a head lice outbreak in a community, school, or camp, you can teach children to avoid playtime and other activities that are likely to spread lice.
www.cdc.gov /ncidod/dpd/parasites/lice/factsht_head_lice_treating.htm   (1753 words)

 MedlinePlus Medical Encyclopedia: Body lice
Lice feed on human blood, and they lay their eggs and deposit waste matter on the skin and clothing.
When body lice are not feeding on blood, they live in the seams and folds of clothing.
Body lice are transmitted by contact with infected clothing and bedding as well as by direct contact with an infected person.
www.nlm.nih.gov /medlineplus/ency/article/000838.htm   (405 words)

 Head Lice
Crab (or pubic) lice are usually transferred from one individual to another through intimate contact, but occasionally can be transferred in other ways.
If one family member is infested with head lice, the risk of infestation for the rest of the family is greater.
It may be possible to eliminate an infestation of head lice by daily hair washing and nit removal without the use of insecticidal shampoos.
hgic.clemson.edu /factsheets/HGIC2503.htm   (1066 words)

 eMedicine - Lice : Article by Wayne Wolfram, MD, MPH   (Site not responding. Last check: 2007-11-03)
Lice are ectoparasites that feed on human blood after piercing the skin and injecting their saliva.
Although head lice are found on any part of the scalp, they most commonly are found in the postauricular and occipital areas.
Body lice can be found in any area of the body, although they tend to avoid the scalp, except at the margins.
www.emedicine.com /emerg/topic298.htm   (2186 words)

An infected person is more likely to pass lice on to those with whom contacts are more frequent and prolonged, such as family members or overnight visitors in the home.
Lice and nits are most likely to be found near the scalp where the hair is thickest, usually behind the ears and around the nape of the neck.
The first thing to be done is to manually pick all live lice and rid the hair of all nits.
www.co.el-dorado.ca.us /publichealth/lice.html   (914 words)

 All-Natural Non-Toxic Head Lice Treatment - Lice Off - the Safe and Pure Pediculosis Preventative
Lice Off is an all-natural, non-toxic head lice treatment, an effective alternative to the many potentially harmful pesticides and pediculicides on the market.
Lice Off has proven itself over the years as an effective all-natural treatment and pediculosis preventative, naturally treating and preventing further head lice infestations without the use of any potentially harmful chemicals or pyrethrum-based pediculicides.
After treating your family with Lice Off, head lice are no longer a consideration in your life.
www.liceoff.com   (246 words)

 The Loom: If These Lice Could Talk
A comparison of the lice that live on different primates shows that they certainly can be very loyal.
As the researchers report today in Public Library of Biology, they compared human lice to the lice of primates, looking at both their DNA and their anatomy.
The molecular clock puts the split between lice that live on humans and chimps at 5.6 million years ago--exquisitely close to the age that's been estimated for humans from studies on both DNA and fossils.
www.corante.com /loom/archives/026325.html   (1403 words)

A lighted candle was fairly effective but the skill of burning the lice without burning your clothes was only learnt with practice.
Where possible the army arranged for the men to have baths in huge vats of hot water while their clothes were being put through delousing machines.
In parcels from home it was usual to receive a tin of supposedly death-dealing powder or pomade, but the lice thrived on the stuff.
www.spartacus.schoolnet.co.uk /FWWlice.htm   (753 words)

• Although head lice may be discovered at school, it is ultimately the parent’s responsibility to treat and manage their child’s hair.
Treatment (application of lice killing product) is recommended only for individuals found with live lice or viable eggs.
School personnel may request a head check on any student suspected as having head lice (scratching their heads, visible nits in hair, live bug noted, etc.) If a classroom has more than two students identified with active infestations, the students of that class may be screened if time is available.
www.teays-valley.k12.oh.us /lice.php   (2309 words)

 Head Lice - Healthy Kids and Pediatrics - health and medical information produced by doctors
My child is under 2 years old and has been diagnosed with head lice.
Head lice are insect parasites that are found on the heads of people.
(The head louse, Pediculus humanus capitis, is different from the lice that cause body and pubic hair infections).
www.medicinenet.com /head_lice/article.htm   (269 words)

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