For sufficiently wide stairs, a rail is mounted to the treads of the stairs. A chair or lifting platform is attached to the rail. A person on the chair or platform is lifted as the chair moves along the rail. Stairlifts are known variously as stair lifts, stair-lifts, chair lifts, stair gliders and by other names. This type of chair lift should not be confused with the chairlift used by skiers. The term stair climber can refer either to stair lifts, or more commonly to the exercise equipment by the same name. Some of the first stairlifts to be produced commercially were advertised and sold in the USA in the 1930s by the Inclinator Company of America. Many users at the time were victims of polio.
A disease of cattle and swine caused by tapeworm larvae. measles. An infectious disease caused by the rubeola virus of the genus Morbillivirus, characterized by fever, cough, and a rash that begins on the face and spreads to other parts of the body. Vaccinations, usually given in early childhood, confer immunity to measles.
Rubella (German measles) is an infection caused by the rubella virus. It is usually a mild illness causing a rash, sore throat and swollen glands. It occurs most commonly in young children but can affect anyone. Rubella is now uncommon in the UK as a result of the rubella immunisation.f you are pregnant and have rubella (German measles) in the first few months of pregnancy, there is a high chance that the virus will cause severe damage to your developing baby. The virus affects the developing organs and the baby may be born with serious disability-the congenital rubella syndrome.