Browsing Bergen Open Research Archive by Author "Onken, Annette"
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Bloodstream infections and antimicrobial resistance in Zanzibar, Tanzania, with special focus on typhoid fever and malaria
Onken, Annette (Doctoral thesis, 2024-08-27)Bakgrunn: Globalt bidrar infeksjonssykdommer signifikant til sykdom og død, og lavinntektsland er uforholdsmessig rammet. Ved livstruende infeksjoner som blodbaneinfeksjoner kan rask behandling med adekvate legemidler redde ... -
Malaria prevalence and performance of diagnostic tests among patients hospitalized with acute undifferentiated fever in Zanzibar
Onken, Annette; Haanshuus, Christel Gill; Miraji, Mohammed Khamis; Marijani, Msafiri; Kibwana, Kibwana Omar; Abeid, Khamis Ali; Mørch, Kristine; Reimers, Marianne; Langeland, Nina; Müller, Fredrik; Jenum, Pål; Blomberg, Bjørn (Journal article; Peer reviewed, 2022-02-19)Background: Control efforts in Zanzibar reduced the burden of malaria substantially from 2000 to 2015, but re-emergence of falciparum malaria has been observed lately. This study evaluated the prevalence of malaria and ... -
Predominance of multidrug-resistant Salmonella Typhi genotype 4.3.1 with low-level ciprofloxacin resistance in Zanzibar
Onken, Annette; Moyo, Sabrina John; Miraji, Mohammed Khamis; Bohlin, Jon; Marijani, Msafiri; Manyahi, Joel; Kibwana, Kibwana Omar; Müller, Fredrik; Jenum, Pål; Abeid, Khamis Ali; Reimers, Marianne; Langeland, Nina; Mørch, Kristine; Blomberg, Bjørn (Journal article; Peer reviewed, 2024-04-17)Background: Typhoid fever is a common cause of febrile illness in low- and middle-income countries. While multidrug-resistant (MDR) Salmonella Typhi (S. Typhi) has spread globally, fluoroquinolone resistance has mainly ... -
Prevalence and antimicrobial resistance of microbes causing bloodstream infections in Unguja, Zanzibar
Onken, Annette; Aboud, Said; Jørstad, Melissa Davidsen; Jenum, Pål; Blomberg, Bjørn (Journal article; Peer reviewed, 2015)Background: Bloodstream infections (BSI) are frequent and cause high case-fatality rates. Urgent antibiotic treatment can save patients’ lives, but antibiotic resistance can render antibiotic therapy futile. This study is ...