Tag: Paratyphoid

  • Salmonella – Citrobacter

    Salmonella – Citrobacter

    HISTORY: – In 1820, Bretonneau showed the contagiousness of typhoid fever that was called dothiénentérite. – In 1880, Eberth bacillus first observed in the organs of a dead sick of typhoid. – In 1884, Graffky successful culture of this bacillus. – In 1896, Widal showed that the serum of patients with typhoid fever agglutinated cultures…