quintana can be transmitted to a human host when an infected louse
feeds on an uninfected human and excretes B.
The achievement is expected to yield new insights into louse
- and human - biology and evolution.
Advice on treating nits:Treat yourself or members of your family for head lice only after you've found a live louse
Because the pubic louse
egg is totally encased by a proteinaceous sheath, except for the operculum through which it feeds, it is more resistant to topical therapies than is the head louse
Fully grown, a louse
is about the size of a matchstick head and is visible to the naked eye.
It only takes 3-5 years for a head louse
to adapt to a new product, despite claims to the contrary by the manufacturers," noted Shirley C.
Beck goes on to say, "Lice are highly contagious and reproduce at a rate of 6-10 eggs per day per louse
The head louse
, Pediculus humanus capitis, and the body louse
, Pediculus humanus humanus, are obligatory ectoparasites that feed exclusively on human blood (4).
They are most often diagnosed by seeing a live louse
on the head, but that can be difficult since they crawl quickly.
After a genetic analysis of the louse
genome, the researchers learnt that "it was impossible to distinguish the head louse
from the body louse
at the genetic level," National Geographic Society reported.
Subsequent mortality was significantly higher among salmon that had at least one louse
attached than among fish with none.
Then one of my friends saw a louse
crawling on my head.
Fact: The potential for disease transmission via head louse
should never be underestimated.
One female louse
can lay up to ten eggs a day resulting in over two hundred nits (eggs) in her lifetime.
can lay up to 10 eggs a day, making it crucial to kill the lice and continue using the shampoo to kill any lice that may hatch from eggs laid before you began using the shampoo.