Organ pipes are generally made out of either metal or wood. Very rarely, glass, porcelain, plastic, paper, Papier-mÃ¢chÃ©, or even stone pipes may be seen. A historical organ in the Philippines has pipes made exclusively of bamboo. Metal pipes are usually made of lead; for increased rigidity it is alloyed with tin along with trace amounts of antimony and copper.
Lyme Disease IgM antibodies usually appear 1-2 weeks after an initial exposure and return to normal after about 6 to 8 weeks. IgG antibodies are detectable in most people 4-6 weeks after exposure but may be detectable sooner in some people. IgG antibodies may persist indefinitely.
Immunoglobulin M (IgM) â IgM antibodies are produced as a body's first response to a new infection or to a new non-self antigen, providing short-term protection. They increase for several weeks and then decline as IgG production begins. Immunoglobulin G (IgG) â About 70-80% of the immunoglobulins in the blood are IgG.