The pertussis bacterium attacks the cillia of lung cells, causing whooping cough.
The whooping cough vaccine has saved thousands—mostly infants—since its invention in 1920. Initially created from the whole pertussis bacterium, an acellular version was created in 1981 to address fears. The accellular vaccine takes broken pieces from the bacteria to prime the bodies immune system to recognize the bacteria (shown on right).
One method of immunotherapy introduces therapeutic molecules to a person's own cells in a blood sample. The cells can then be injected back into the patient. Created for Science News magazine
Hypertrophic cardiomyopathy (HCM) is a genetic heart disorder which can lead to sudden cardiac arrest in young, often healthy people. From left to right is a normal heart, an athlete's heart, and finally the heart of someone with HCM.