Save guides, add subjects and pick up where you left off with your BBC account. There are four main types of pathogen.

Diseases caused by pathogens are called communicable diseases. This means the disease can be transferred from an infected organism to another organism. There are other types of disease which ...

Plants are susceptible to a wide range of pathogens. For the common potato plant, one such threat is Pectobacterium ...

For years scientists have puzzled over why the intracellular pathogen Salmonella is able to survive — and thrive — in human and animal tissues, even within otherwise hostile cells that are part of the ...