Fig. 2
From: Blood signatures for second stage human African trypanosomiasis: a transcriptomic approach

Sample stratification analysis. Principal component analysis (PCA) plot of the PC1 vs PC2 values for; a All samples, stage 1 (blood), stage 2 (CSF), and control samples, b comparison of stage 1 and control blood, c comparison of stage 1 blood and stage 2 CSF samples