The following diagnostic tests are useful for corresponding purposes except
IgM antibody appears following an acute infection. It is not specific for a disease. Ref: Baveja textbook of microbiology; 4th edition
Ziehl-Neelsen staining - Detection of mycobacteria
Immunoflorescence - Detection of Influenza virus
Specific IgM antibodies - Immunity against Rubella
Specific IgM antibodies - Detection of acute infection
Immunology