Bacterial diseases

Bacterial diseases Though the number of bacterial species is very high, only a few bacteria are associated with human diseases and are called pathogenic bacteria . Such pathogens may emit toxins and affects the body. Common pathogenic bacteria and the bacterial diseases are given in table . . Bacteria spread through air, water or by inhaling the droplets/aerosols or even by sharing utensils, dresses with an infected person. Typhoid fever can be confirmed by Widal test .