Ousman Secka

Exogenous re-infection by a novel Streptococcus pneumoniaeserotype 14 as a cause of recurrent meningitis in a child from The Gambia (2009)

Antonio, Martin, Oluwalana, Claire, Secka, Ousman, Corrah, Tumani, Howie, Stephen, Adegbola, Richard A

Abstract We report a case of an infant who experienced exogenous re-infection of Streptococcus pneumoniae serotype 14 as a cause of recurrent meningitis after apparently successful antibiotic...

Seasonality and outbreak of a predominant Streptococcus pneumoniaeserotype 1 clone from The Gambia: Expansion of ST217 hypervirulent clonal complex in West Africa (2008)

Antonio, Martin, Hakeem, Ishrat, Awine, Timothy, Secka, Ousman, Sankareh, Kawsu, Nsekpong, David, ...

Abstract Background Streptococcus pneumoniae serotype 1 causes > 20% of invasive disease, among all age groups combined, in The Gambia. In contrast, it is rarely detected in carriage studies. This...

Helicobacter pylori Evolution: Lineage- Specific Adaptations in Homologs of Eukaryotic Sel1-Like Genes (2007)

Masako Ogura, J. Christian Perez, Hae-Kyung Lee, Geidrius Dailide, Shumin Tan, ...

Geographic partitioning is postulated to foster divergence of Helicobacter pylori populations as an adaptive response to local differences in predominant host physiology. H. pylori's ability to...

Helicobacter pylori Evolution: Lineage-Specific Adaptations in Homologs of Eukaryotic Sel1-Like Genes (2007)

Masako Ogura, Christian Perez, Peer Mittl, Hae-Kyung Lee, Geidrius Dailide, Shumin Tan, ...

Geographic partitioning is postulated to foster divergence of Helicobacter pylori populations as an adaptive response to local differences in predominant host physiology. H. pylori's ability to...

Bacteraemia in patients admitted to an urban hospital in West Africa (2007)

Hill, Philip C, Onyeama, Charles O, Ikumapayi, Usman NA, Secka, Ousman, Ameyaw, Samuel, Simmonds, Naomi, ...

Abstract Background Few studies on bacteraemia in Africa have been published. We aimed to prospectively identify the causative organisms of bacteraemia in The Gambia and their relation to clinical...

Novel 180- and 480-Base-Pair Insertions in African and African-American Strains of Helicobacter pylori

McNulty, Shannon L., Mole, Beth M., Dailidiene, Daiva, Segal, Issy, Ally, Reid, Mistry, Rajesh, ...

Helicobacter pylori is a genetically diverse bacterial species that chronically infects human stomachs and sometimes causes severe gastroduodenal disease. Studies of polymorphic DNA sequences can...

Novel 180- and 480-Base-Pair Insertions in African and African-American Strains of Helicobacter pylori

McNulty, Shannon L., Mole, Beth M., Dailidiene, Daiva, Segal, Issy, Ally, Reid, Mistry, Rajesh, ...

Helicobacter pylori is a genetically diverse bacterial species that chronically infects human stomachs and sometimes causes severe gastroduodenal disease. Studies of polymorphic DNA sequences can...

Bacteraemia in patients admitted to an urban hospital in West Africa

Hill, Philip C, Onyeama, Charles O, Ikumapayi, Usman NA, Secka, Ousman, Ameyaw, Samuel, Simmonds, Naomi, ...

Helicobacter pylori Evolution: Lineage- Specific Adaptations in Homologs of Eukaryotic Sel1-Like Genes

Ogura, Masako, Perez, J. Christian, Mittl, Peer R. E, Lee, Hae-Kyung, Dailide, Geidrius, Tan, Shumin, ...

Geographic partitioning is postulated to foster divergence of Helicobacter pylori populations as an adaptive response to local differences in predominant host physiology. H. pylori's ability to...

Seasonality and outbreak of a predominant Streptococcus pneumoniae serotype 1 clone from The Gambia: Expansion of ST217 hypervirulent clonal complex in West Africa

Antonio, Martin, Hakeem, Ishrat, Awine, Timothy, Secka, Ousman, Sankareh, Kawsu, Nsekpong, David, ...

Exogenous re-infection by a novel Streptococcus pneumoniae serotype 14 as a cause of recurrent meningitis in a child from The Gambia

Antonio, Martin, Oluwalana, Claire, Secka, Ousman, Corrah, Tumani, Howie, Stephen, Adegbola, Richard A

We report a case of an infant who experienced exogenous re-infection of Streptococcus pneumoniae serotype 14 as a cause of recurrent meningitis after apparently successful antibiotic treatment with...