pathogene

listen to the pronunciation of pathogene
Английский Язык - Английский Язык
One of a class of virulent microörganisms or bacteria found in the tissues and fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic bacterium; opposed to zymogene
{s} causes disease
{i} something that causes disease (i.e. bacteria or virus)