anti-streptolysin O assay

anti-streptolysin O assay

A serologic test that monitors group-A beta-haemolytic streptococcal infection (i.e., “strep throat”, 90% positive), which may progress to acute streptococcal glomerulonephritis (± 25% are ASO positive), scarlet fever and rheumatic fever, and thus used to monitor response to therapy.