Nontyphoidal salmonellosis in Africa. 2010

Stephen M Graham
Centre for International Child Health, University of Melbourne Department of Paediatrics and Murdoch Childrens Research Institute, Royal Children's Hospital, Melbourne, Australia. steve.graham@rch.org.au

OBJECTIVE This review aims to identify and highlight important data published in the past 12 months which provide new information on nontyphoidal salmonellosis in Africa. RESULTS Recent reviews and clinical studies continue to emphasize the challenges of diagnosis and management of invasive nontyphoidal Salmonellae (NTS) disease as a major cause of mortality in African children and HIV-infected African adults. New observational evidence of the association between malaria and NTS disease in African children has been published. An improved understanding of disease pathogenesis has been provided with evidence of persistent intracellular infection in HIV-infected adults. Multidrug resistance of NTS is now widespread in the region. A novel variant of NTS has emerged which is now a common cause of invasive disease in African populations, and it shows evidence of adaptation to human host and has acquired virulence plasmids along with multidrug resistance. Recent studies have provided original data of the importance of humoral immunity in African children, which informs the development of vaccine. CONCLUSIONS NTS are a major cause of invasive disease in Africa. Recent studies provide a range of helpful insights and novel data which could inform strategies for improving management and especially prevention of this neglected disease.

UI MeSH Term Description Entries
D008288 Malaria A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia. Marsh Fever,Plasmodium Infections,Remittent Fever,Infections, Plasmodium,Paludism,Fever, Marsh,Fever, Remittent,Infection, Plasmodium,Plasmodium Infection
D010957 Plasmids Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS. Episomes,Episome,Plasmid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000349 Africa The continent south of EUROPE, east of the ATLANTIC OCEAN and west of the INDIAN OCEAN.
D012475 Salmonella A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that utilizes citrate as a sole carbon source. It is pathogenic for humans, causing enteric fevers, gastroenteritis, and bacteremia. Food poisoning is the most common clinical manifestation. Organisms within this genus are separated on the basis of antigenic characteristics, sugar fermentation patterns, and bacteriophage susceptibility.
D012480 Salmonella Infections Infections with bacteria of the genus SALMONELLA. Salmonellosis,Infections, Salmonella,Infection, Salmonella,Salmonella Infection,Salmonelloses
D014774 Virulence The degree of pathogenicity within a group or species of microorganisms or viruses as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenic capacity of an organism is determined by its VIRULENCE FACTORS. Pathogenicity
D015373 Bacterial Typing Techniques Procedures for identifying types and strains of bacteria. The most frequently employed typing systems are BACTERIOPHAGE TYPING and SEROTYPING as well as bacteriocin typing and biotyping. Bacteriocin Typing,Biotyping, Bacterial,Typing, Bacterial,Bacterial Biotyping,Bacterial Typing,Bacterial Typing Technic,Bacterial Typing Technics,Bacterial Typing Technique,Technic, Bacterial Typing,Technics, Bacterial Typing,Technique, Bacterial Typing,Techniques, Bacterial Typing,Typing Technic, Bacterial,Typing Technics, Bacterial,Typing Technique, Bacterial,Typing Techniques, Bacterial,Typing, Bacteriocin
D015658 HIV Infections Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS). HTLV-III Infections,HTLV-III-LAV Infections,T-Lymphotropic Virus Type III Infections, Human,HIV Coinfection,Coinfection, HIV,Coinfections, HIV,HIV Coinfections,HIV Infection,HTLV III Infections,HTLV III LAV Infections,HTLV-III Infection,HTLV-III-LAV Infection,Infection, HIV,Infection, HTLV-III,Infection, HTLV-III-LAV,Infections, HIV,Infections, HTLV-III,Infections, HTLV-III-LAV,T Lymphotropic Virus Type III Infections, Human

Related Publications

Stephen M Graham
January 2001, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America,
Stephen M Graham
August 1989, Journal of pediatric gastroenterology and nutrition,
Stephen M Graham
July 2001, Journal of child neurology,
Stephen M Graham
January 2015, Global pediatric health,
Stephen M Graham
September 2002, Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy,
Stephen M Graham
February 1998, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America,
Stephen M Graham
September 2005, The Mount Sinai journal of medicine, New York,
Stephen M Graham
January 2019, EcoSal Plus,
Stephen M Graham
April 2016, Open forum infectious diseases,
Stephen M Graham
August 2015, Foodborne pathogens and disease,
Copied contents to your clipboard!