The following diagnostic tests are useful for corresponding purpose except

The following diagnostic tests are useful for corresponding purpose except

a. Ziehl-neelsen staining-detection of mycobacteria

b.immunofluorescenece -detection of influenza virus

c.specific IgM antibiodies -immunity against rubella

d.specific IgM antibodies -detection of acute infection

ans:c.specific IgM antibiodies -immunity against rubella