Fentanyl does not need much room to kill. A dose the size of a few grains of salt can slow breathing until it stops. The drug ...

A vaccine in development would be the first proactive treatment for overdose and fentanyl addiction, if approved. A vaccine ...

For the second year in a row, the US has surpassed 25,000 whooping cough cases — another sign of the risks of falling vaccination levels.

Clostridium perfringens α-toxin is the key virulence determinant in gas gangrene and has also been implicated in the pathogenesis of sudden death syndrome in young animals. The toxin is a 370-residue, ...

Bacterial toxins are toxic substances that are produced and released by bacteria to target other bacterial or host cells. Bacteria often have antitoxins to avoid the deleterious effects of toxins. ABC ...