An allergy.
The Immune Disorder SLE is and autoimmune disorder.
Yes Rheumatoid arthritis is an immune system disorder in which the immune system turns on the body and mistakenly destroys tissue.
Several diseases are caused by immune disorders. Alopecia - where the hair falls out in clumps - may well be caused by an immune disorder.
Allergy
Any disorder affecting immunity is called as immune system disorder. Now most common cause for the same is HIV infection.
Vaccines contain a 'dead' or weakened form of a virus. The immune system will still respond as if the virus were a threat (when it is completely harmless) and will destroy it, generating lymphocytes that will 'recognise' the virus if it ever enters the body again, allowing rapid destruction if the virus ever enters the body again.
That is called an allergy.
yes
Shaft
Allergy
lymph
Tolerance exists when the immune system does not respond to a particular antigen. All cells and tissues in the body contain antigens that normally do not stimulate an immune response. The immune system is said to exhibit tolerance toward such antigens.