Figure 1From: Detection of group A Streptococcus in tonsils from pediatric patients reveals high rate of asymptomatic streptococcal carriage Fluorescent antibody staining (10 μm sections) of Cytokeratin 8 & 18 (white) allows visualization of the tonsillar crypt epithelium. Representative images of tonsils removed due to ATH (left) or recurrent GAS infection (right) are shown at 4 × magnification.Back to article page