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What Is Strep A Infection?

A microbiologist at the Max-Planck-Institute for Infection Biology prepares a bacterial colony of the strain Streptococcus pyogenes on a blood agar plate.

A microbiologist at the Max-Planck-Institute for Infection Biology prepares a bacterial colony of the strain Streptococcus pyogenes on a blood agar plate.

Photographer: Wolfgang Kumm/picture alliance/Getty Images

More young children have died from Strep A infection, prompting fears of an outbreak in cases.

- What is Strep A?