Mouse skin passage of a Streptococcus pyogenes Tn917 mutant of sagA/pel restores virulence, beta-hemolysis and sagA/pel expression without altering the position or sequence of the transposon: Correction

The acknowledgements section missed supporting grants:This work was supported by grants from the National Institute of Health (AI 43474), the Ohio Board of Regents Research Challenge II, from the Ohio Valley affiliate of the American Heart Association AHA 0120308B and N-100229-01.