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What exactly is an anti-streptococcal antibody titer?

April 26, 2017Antibody titer

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What exactly is an anti-streptococcal antibody titer?

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A. The anti-streptococcal antibody titer determines whether there is immunologic evidence of a previous strep. infection. Two different strep. tests are commercially available: the antistrepolysin O (ASO) titer, which rises 3-6 weeks after a strep. infection, and the antistreptococcal DNAase B (AntiDNAse-B) titer, which rises 6-8 weeks after a strep. infection.