The manufacturer of First Alert, the leading brand of carbon monoxide detectors, recommends the following if the alarm goes off: 1  Turn off appliances, or other sources of combustion at once. 2  Immediately get fresh air into the premises by opening doors and windows.
The cause of lice (known medically as pediculosis) is an infestation with one of three types of a parasitic insect. The three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).he three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).
Letâs first get the elephant out of the room: lice do not come from animals. They are transmitted ONLY between humans. The human head louse is an ectoparasite, which means it lives on the surface of his host. It is an insect that lives on the human scalp and feeds on human blood. The entire life of lice is spent on the human scalp. According to research, head lice have been spreading among humans for thousands of years.