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Muller et al¹ recently presented an interesting account of the descriptive and clinical epidemiology of group A streptococcal (GAS) pneumonia in Ontario, Canada. My colleagues and I recently completed a population-based retrospective study of invasive GAS infections in the state of Florida (population in 2000, 15 658 227).^2-3 A total of 257 cases of invasive GAS infection were identified. These cases comprised patients who were hospitalized throughout Florida between August 1996 and August 2000 and were reported to the Florida Department of Health. In our cohort, 43 patients (17%) had GAS pneumonia.²

I reexamined our data and found that several of our results are similar to those of Dr Muller and colleagues. The hospital mortality rate was 34% (14/41) among patients with GAS pneumonia and 14% (30/208) among those with other invasive GAS infections. Of our 43 patients with GAS pneumonia, 37 (86%) had GAS bacteremia.

Muller et al¹ do not state . . . [Full Text of this Article]

Zuber D. Mulla, MSPH, PhD
El Paso, Tex

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