Both yeasts are human pathogens, responsible for cryptococcosis, and are now cosmopolitan in distribution.

N. meningitidis is an intracellular human-specific pathogen responsible for septicemia and meningitis.

Candida albicans and Aspergillus species are the most common fungal pathogens responsible for the condition.

C. diphtheriae, for example, is the pathogen responsible for diphtheria.

PWN was identified as the pathogen responsible for pine wilt in 1979.

But if the responsible pathogen is itself extinct and has no present-day relatives, he said, "we're going to have a tough time finding it."

The bacterium has many strains and is the pathogen responsible for Actinobacillosis in pigs of all ages.

Listeria is a food-borne bacterial pathogen responsible for numerous illnesses and a mortality rate of 30%.

They are opportunistic pathogens, commonly responsible for urinary and septic infections, often nosocomial.

The pathogen responsible has identified as Serratia marcescens, a common fecal intestinal bacterium found in humans and other animals.