GAS	Group A Streptococcus
GAC	Group A Carbohydrate
SLO	Streptolysin O
LMICs	Low- and Middle-income Countries
RHD	Rheumatic Hearth Disease
GlcNAc	N-acetylglucosamine
PS	Polysaccharide
SDS-PAGE	Sodium dodecyl sulfate-polyacrylamide gel electrophoresis
MW	Molecular Weight
HPLC-SEC	High Performance Liquid Chromatography–Size Exclusion Chromatography
i.p.	Intraperitoneally
DSC	Differential Scanning Calorimetry
FACS	Flow cytometry
DoE	Design of Experiment
RT	Room Temperature
Rha	Rhamnose
HPAEC-PAD	Anion Exchange Chromatography coupled with Pulsed Amperometric Detection
TFF	Tangential Flow Filtration
ELISA	Enzyme-linked immunosorbent assay