A 10 year old girl presents with symptoms shown in the image. She has been suffering from sore throat and fever for last 4 days and rashes started appearing on her neck two days back. All are true regarding the diagnosis except
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Blood culture remains the criterion standard for confirmation of the disease
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Occurs as a result of a group A Streptococcus infection
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The characteristic rash is due to the erythrogenic toxin
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The blood test shows elevation of antistreptolysin O titer
