Lab test glossary D

Diphtheria Antibody: Diphtheria is an infectious disease caused by the toxin-producing bacterium Corynebacterium diphtheriae (C. diphtheriae). Presence of the antibody against C. diphtheriae indicates recent infection with, exposure to, or vaccination against diphtheria. Diphtheria is usually transmitted by contact with respiratory droplets from infected persons or asymptomatic carriers. It can also be transmitted by handling used tissues or using a glass or utensil used by an infected person. The incubation period is 2 to 5 days.
Double-stranded DNA ig Antibody (dsDNA ab): Antibodies against double-stranded DNA (dsDNA) in our cells occur in various autoimmune and arthritis conditions. These antibodies are present in about 60-80% of people with systemic lupus erythematosus (SLE), particularly those with associated nephritis (inflammation of the kidney). Higher levels are seen with SLE, while low to intermediate levels can be seen with other rheumatic disorders, chronic active hepatitis, infectious mononucleosis, and biliary cirrhosis.
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