Antibody deficiencies, also called immunoglobulin deficiency syndromes, are immune system disorders that are characterized by low or absent levels of immunoglobulin in the blood. Immunoglobulins (Ig) are antibodies that play an essential role in the body's immune system.
Tamaranann1: In every state legally when a child turns 18, a parent is no longer financially responsible for the child. Morally, we are all responsible for our children's well being and support. ;0)
As a general matter, the obligation of a parent to support a child terminates when the child attains the age of majority, which in Connecticut is 18 (CGS  1-1d; Kennedy v. Kennedy, 177 Conn. 47, 52, (1979); Sillman v. Sillman, 168 Conn. 144 (1975)).