Hantaviruses are etiological agents of life-threatening hemorrhagic fever with renal syndrome and hantavirus cardiopulmonary syndrome.
Ebola virus and Marburg virus are members of the family of Filoviridae and are etiological agents of a deadly hemorrhagic fever disease.
Pathogenic Leptospira spp., including L. interrogans, L. kirschneri, L. noguchii, L. borgpetersenii, L. santarosai, L. weilii, and etc. [ 2], are etiological agents of leptospirosis.
Chlamydia spp. are obligate intracellular bacteria which are the etiological agents of chlamydiosis and cause a broad spectrum of diseases in animals and humans [ 1, 2].
These organisms are the etiological agents of amoebic dysentery, giardiasis and balantidiasis, respectively, and have all been associated with drinking water outbreaks.
Viruses are major etiological agents of childhood gastroenteritis.
Among them, the Campylobacter fetus subspecies fetus and venerealis deserve special attention, as they are the etiological agents of human bacterial gastroenteritis and bovine genital campylobacteriosis, respectively.
For antibacterial experiments, Gram-positive B. subtilis and S. aureus and Gram-negative E. coli and P. Aeruginosa were four etiological agents of several infective diseases in humans, chosen as the target organism.
Pathogenic Leptospira are the etiological agents of leptospirosis, a disease with greater incidence in tropical and subtropical regions [1], [2], [3], [4], [5].
