The antistreptolysin O (ASO) titer test is a blood test that checks for a strep infection. When you come into contact with harmful bacteria, your body produces antibodies to defend itself against ...
An antistreptolysin O titer (ASO) is a blood test used to determine if you've had a recent infection caused by group A streptococcus bacteria. It's not used to diagnose a current strep infection, such ...
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