Crabs or pubic lice, contrary to common belief, are not caused by only poor personal hygiene. They may be transmitted to a healthy and clean person through close contact with an infected person. The lice crawl from the hair of one person to the hair of another person.ubic lice have six legs front legs are very large and look like the pincher claws of a crab. Their second and third pairs of legs have claw like ends that helps them hold on to the coarse hairs tightly.
Prior studies using home movies have shown that signs of autism can be detected between 8-12 months. A study looking at head circumference found statistical differences prior to 12 months. And one study looking at movements found differences between 4-6 months.etrospective studies, largely involving review of home movies, have suggested that autism can be diagnosed as early as 6-12 months, suggesting that parental report is not an adequate screen because subtle signs are hard to detect without rigorous observation.
The window period refers to the time after infection and before seroconversion, during which markers of infection (HIV-specific antigen and antibodies) are still absent or too scarce to be detectable.Standard screening tests cannot reliably detect HIV infection until after the window period has passed.t is therefore possible to say HIV RNA becomes detectable approximately eleven days before antibodies (or that use of an HIV RNA test reduces the window period by eleven days). It is more challenging to say how many days after exposure HIV RNA is detectable, or what the total length of the window period is.