Upper limit of normal (80^th centile) for serum streptococcal antibody titers in children and adults in tropical settings where group A Streptococcus disease is endemic

Adapted with permission from: Steer AC, Vidmar S, Ritika R, et al. Normal ranges of streptococcal antibody titers are similar whether streptococci are endemic to the setting or not. Clin Vaccine Immunol 2009; 16:172. Copyright © 2009 American Society for Microbiology.