Figure 3

Capsule visualisation by TEM. (A,E) H. influenzae serotype b. (B,F) Non-encapsulated H. parainfluenzae. (C,G) Strain HUB12445. (D,H) Strain HUB11505. (1) Images acquired at a magnification of 120,000x. (2) Images acquired at a magnification of 200,000x.