Inoculation as a preventive against typhoid fever

Preventive Inoculation against Enteric Fever

Vaccines against typhoid fever.

Because of high infectivity and significant disease burden, typhoid fever constitutes a major global health problem. Implementation of adequate food handling practices and establishment of safe water supplies are the cornerstone for the development of an effective prevention program. However, vaccination against typhoid fever remains an essential tool for the effective management of this diseas...

A conjugate vaccine against typhoid fever.

90 www.thelancet.com/infection Vol 14 February 2014 Zulfi qar Bhutta and colleages’ study in The Lancet Infectious Diseases marks an important milestone for the use of typhoid conjugate vaccines. Present Vi polysaccharide vaccines (Vi-PS) are not widely used because they cannot be given to children younger than 2 years and are thus excluded from the Expanded Programme of Immunization (EPI); fur...

Vaccination against typhoid fever: present status.

Typhoid fever remains an underestimated important health problem in many developing countries, causing more than 600,000 deaths annually in the world. Because of the reactogenicity of the parenteral, killed whole-cell vaccine, research has been oriented towards vaccination orally using live organisms and purified antigen. Live vaccine Ty21a, given by the oral route, has been extensively tested ...

Typhoid fever as cellular microbiological model.

The knowledge about typhoid fever pathogenesis is growing in the last years, mainly about the cellular and molecular phenomena that are responsible by clinical manifestations of this disease. In this article are discussed several recent discoveries, as follows: a) Bacterial type III protein secretion system; b) The five virulence genes of Salmonella spp. that encoding Sips (Salmonella invasion ...