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Umeå University
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Staff photo Micael Widerström

Micael Widerström

Micael is a associate professor in clinical microbiology at Umeå University and a Senior Consultant in Infectious Diseases. 

Research qualifications: Docent
0000-0002-1483-4255

Contact

E-mail
micael.widerstrom@umu.se
Phone

Works at

Affiliation
Associate professor, senior consultant (attending) physician at Department of Clinical Microbiology Section: Infectious Diseases
Location
Länssjukhuset Östersund Umeå universitet, 901 85 Umeå
Long-term symptoms in children after a Cryptosporidium hominis outbreak in Sweden: a 10-year follow-up
Parasitology Research, Springer Nature 2025, Vol. 124, (1)
Boks, Marije; Lilja, Mikael; Lindam, Anna; et al.
Lithium and the risk of severe COVID-19 infection: a retrospective population-based register study
Journal of Psychosomatic Research, Elsevier 2025, Vol. 190
Nilsson, Niklas Harry; Bendix, Marie; Öhlund, Louise; et al.
Outbreak of salmonella typhimurium linked to swedish pre-washed rocket salad, Sweden, September to November 2022
Eurosurveillance, European Centre for Disease Control and Prevention (ECDC) 2024, Vol. 29, (10)
Fischerstrom, Karolina; Dryselius, Rikard; Lindblad, Mats; et al.
COVID-19-associated mortality in individuals with serious mental disorders in Sweden during the first two years of the pandemic: a population-based register study
BMC Psychiatry, BioMed Central (BMC) 2024, Vol. 24, (1)
Gibbs, Anna; Maripuu, Martin; Öhlund, Louise; et al.
Completed genome and emergence scenario of the multidrug-resistant nosocomial pathogen Staphylococcus epidermidis ST215
BMC Microbiology, BioMed Central (BMC) 2024, Vol. 24, (1)
Kellgren, Therese; Dwibedi, Chinmay Kumar; Widerström, Micael; et al.
Treatment outcome of severe respiratory type B tularemia using fluoroquinolones
Clinical Infectious Diseases, Oxford University Press 2024, Vol. 78 : S38-S46
Widerström, Micael; Mörtberg, Sara; Magnusson, Mattias; et al.
Blood cultures with one venipuncture instead of two: a prospective clinical comparative single-center study including patients in the ICU, haematology, and infectious diseases departments
Infectious Diseases, Taylor & Francis 2023, Vol. 55, (9) : 591-598
Andersson Norlén, Elina; Widerström, Micael; Lindam, Anna; et al.
SARS-CoV-2-related mortality decrease in nursing home residents given multiple COVID-19 boosters
The Lancet - Infectious diseases, Elsevier 2023, Vol. 23, (10) : e393-e394
Blom, Kim; Fjällström, Peter; Molnár, Christian; et al.
Persisting symptoms after Cryptosporidium hominis outbreak: a 10-year follow-up from Östersund, Sweden
Parasitology Research, Springer Nature 2023, Vol. 122, (7) : 1631-1639
Boks, Marije; Lilja, Mikael; Widerström, Micael; et al.
Fem fall av C canimorsus på kort tid vid Östersunds sjukhus: [Five cases of C. canimorsus during a short period of time at Östersund Hospital, Sweden]
Läkartidningen, Läkartidningen förlag AB 2023, Vol. 120
Hedman, Elin; Fohlin, Lisa; Hellmark, Bengt; et al.
Genotypic characterization of Staphylococcus chromogenes and Staphylococcus simulans from Swedish cases of bovine subclinical mastitis
Journal of Dairy Science, Elsevier 2023, Vol. 106, (11) : 7991-8004
Persson Waller, K.; Myrenås, M.; Börjesson, S.; et al.
Vaccine-induced correlate of protection against fatal COVID-19 in older and frail adults during waves of neutralization-resistant variants of concern: an observational study
The Lancet Regional Health: Europe, Elsevier 2023, Vol. 30
Vikström, Linnea; Fjällström, Peter; Gwon, Yong-Dae; et al.
Increased incidence of late-onset inflammatory bowel disease and microscopic colitis after a Cryptosporidium hominis outbreak
Scandinavian Journal of Gastroenterology, Taylor & Francis Group 2022, Vol. 57, (12) : 1443-1449
Boks, Marije; Lilja, Mikael; Widerström, Micael; et al.
Outbreak of Cryptosporidium hominis in northern Sweden: persisting symptoms in a 5-year follow-up
Parasitology Research, Springer-Verlag New York 2022, Vol. 121 : 2043-2049
Sjöström, Malin; Arvidsson, M.; Söderström, L.; et al.
Heterogeneity of Staphylococcus epidermidis in prosthetic joint infections: time to reevaluate microbiological criteria?
European Journal of Clinical Microbiology and Infectious Diseases, Springer 2022, Vol. 41 : 87-97
Widerström, Micael; Stegger, Marc; Johansson, Anders; et al.
Death Associated With Coronavirus (COVID-19) Infection in Individuals With Severe Mental Disorders in Sweden During the Early Months of the Outbreak: An Exploratory Cross-Sectional Analysis of a Population-Based Register Study
Frontiers in Psychiatry, Frontiers Media S.A. 2021, Vol. 11
Maripuu, Martin; Bendix, Marie; Öhlund, Louise; et al.
Increased Risks of Death and Hospitalization in Influenza/Pneumonia and Sepsis for Individuals Affected by Psychotic Disorders, Bipolar Disorders, and Single Manic Episodes: A Retrospective Cross-Sectional Study
Journal of Clinical Medicine, MDPI 2021, Vol. 10, (19)
Nilsson, Niklas Harry; Bendix, Marie; Öhlund, Louise; et al.
Death associated with coronavirus (COVID-19) infection in individuals with severe mental disorders in sweden during the early months of the outbreak
European psychiatry, Cambridge University Press 2021, Vol. 64, (S1) : S119-S120
Werneke, Ursula; Maripuu, Martin; Bendix, Marie; et al.
Secretor Status is Associated with Susceptibility to Disease in a Large GII.6 Norovirus Foodborne Outbreak
Food and Environmnetal Virology, Springer 2020, Vol. 12 : 28-34
Sharma, Sumit; Hagbom, Marie; Carlsson, Beatrice; et al.
Persisting post-infection symptoms 2 years after a large waterborne outbreak of Cryptosporidium hominis in northern Sweden
BMC Research Notes, Vol. 11, (1)
Lilja, Mikael; Widerström, Micael; Lindh, Johan
Sick leave due to diarrhea caused by contamination of drinking water supply with Cryptosporidium hominis in Sweden: a retrospective study
Journal of Water and Health, IWA Publishing 2018, Vol. 16, (5) : 704-710
Ridderstedt, Frida; Widerström, Micael; Lindh, Johan; et al.
Symptoms and risk factors of Cryptosporidium hominis infection in children: data from a large waterborne outbreak in Sweden
Parasitology Research, Springer Berlin/Heidelberg 2017, Vol. 116, (10) : 2613-2618
Adler, Sara; Widerström, Micael; Lindh, Johan; et al.
Significant spread of extensively drug-resistant Acinetobacter baumannii genotypes of clonal complex 92 among intensive care unit patients in a university hospital in southern Iran
Journal of Medical Microbiology, MICROBIOLOGY SOC 2017, Vol. 66, (11) : 1656-1662
Saffari, Fereshteh; Monsen, Tor; Karmostaji, Afsaneh; et al.
Bacterial flora and the epidemiology of staphylococcus aureus in the nose among patients with symptomatic nasal septal perforations
Acta Oto-Laryngologica, Vol. 136, (6) : 620-625
Hulterström, Anna Karin; Sellin, Mats; Monsen, Tor; et al.
Molecular and Phenotypic Characterization of Multidrug-Resistant Clones of Staphylococcus epidermidis in Iranian Hospitals: Clonal Relatedness to Healthcare-Associated Methicillin-Resistant Isolates in Northern Europe
Microbial Drug Resistance, Vol. 22, (7) : 570-577
Saffari, Fereshteh; Widerström, Micael; Gurram, Bharat Kumar; et al.
Respiratory diphtheria in an asylum seeker from Afghanistan arriving to Finland via Sweden, December 2015
Eurosurveillance, Vol. 21, (2)
Sane, Jussi; Sorvari, Tiina; Widerström, Micael; et al.
Outbreak of Neisseria meningitidis capsular group W among scouts returning from the World Scout Jamboree, Japan, 2015
Eurosurveillance, Vol. 21, (45)
Smith-Palmer, Alison; Oates, Ken; Webster, Diana; et al.
Significance of Staphylococcus epidermidis in Health Care-Associated Infections, from Contaminant to Clinically Relevant Pathogen: This Is a Wake-Up Call!
Journal of Clinical Microbiology, American Society for Microbiology 2016, Vol. 54, (7) : 1679-1681
Widerström, Micael
Colonization of patients, healthcare workers, and the environment with healthcare-associated Staphylococcus epidermidis genotypes in an intensive care unit: a prospective observational cohort study
BMC Infectious Diseases, Vol. 16
Widerström, Micael; Wiström, Johan; Edebro, Helén; et al.
Risk factors and potential preventive measures for nephropatia epidemica in Sweden 2011-2012: a case-control study
Infection Ecology & Epidemiology, Vol. 5
Gherasim, Alin; Hjertqvist, Marika; Lundkvist, Åke; et al.
Post-infection symptoms following two large waterborne outbreaks of Cryptosporidium hominis in Northern Sweden, 2010-2011
BMC Public Health, Vol. 15
Rehn, Moa; Wallensten, Anders; Widerström, Micael; et al.
Syndromic surveillance for local outbreak detection and awareness: evaluating outbreak signals of acute gastroenteritis in telephone triage, web-based queries and over-the-counter pharmacy sales
Epidemiology and Infection, Cambridge University Press 2014, Vol. 142, (2) : 303-313
Andersson, T; Bjelkmar, P; Hulth, A; et al.
An outbreak of respiratory tularemia caused by diverse clones of Francisella tularensis
Clinical Infectious Diseases, Vol. 59, (11) : 1546-53
Johansson, Anders; Lärkeryd, Adrian; Widerström, Micael; et al.
Large outbreak of cryptosporidium hominis infection transmitted through the public water supply, Sweden
Emerging Infectious Diseases, Vol. 20, (4) : 581-589
Widerström, Micael; Schönning, Caroline; Lilja, Mikael; et al.
Prevailing effectiveness of the 2009 influenza A(H1N1)pdm09 vaccine during the 2010/11 season in Sweden
Eurosurveillance, eurosurveillance 2013, Vol. 18, (15) : Article 5-
Widgren, K; Magnusson, M; Hagstam, P; et al.
Coagulase-negative staphylococci: update on the molecular epidemiology and clinical presentation, with a focus on Staphylococcus epidermidis and Staphylococcus saprophyticus
European Journal of Clinical Microbiology and Infectious Diseases, New York: Springer-Verlag New York 2012, Vol. 31, (1) : 7-20
Widerstrom, Micael; Wistrom, Johan; Sjöstedt, Anders; et al.
A Multidrug-Resistant Staphylococcus epidermidis Clone (ST2) Is an Ongoing Cause of Hospital-Acquired Infection in a Western Australian Hospital
Journal of Clinical Microbiology, Vol. 50, (6) : 2147-2151
Widerström, Micael; McCullough, Cheryll A.; Coombs, Geoffrey W.; et al.
Group B streptococcus in prosthetic hip and knee joint-associated infections
Journal of Hospital Infection, Saunders Elsevier 2011, Vol. 79, (1) : 64-69
Sendi, P; Christensson, B; Uçkay, I; et al.
Near absence of methicillin-resistance and pronounced genetic diversity among Staphylococcus epidermidis isolated from healthy persons in northern Sweden
Acta Pathologica, Microbiologica et Immunologica Scandinavica (APMIS), Wiley-Blackwell 2011, Vol. 119, (8) : 505-512
Widerström, Micael; Wiström, Johan; Ek, Elin; et al.
Molecular epidemiology of coagulase-negative staphylococci in hospitals and in the community
Umeå University medical dissertations, 1354
Widerström, Micael
In vitro effect of ultrasound on bacteria and suggested protocol for sonication and diagnosis of prosthetic infections
Journal of Clinical Microbiology, Vol. 47, (8) : 2496-2501
Monsen, Tor; Lövgren, Elisabeth; Widerström, Micael; et al.
Clonality among multidrug-resistant hospital-associated Staphylococcus epidermidis in northern Europe
Scandinavian Journal of Infectious Diseases, Vol. 41, (9) : 642-649
Widerström, Micael; Monsen, Tor; Karlsson, Carina; et al.
Molecular epidemiology of Staphylococcus saprophyticus isolated from women with uncomplicated community-acquired urinary tract infection
Journal of Clinical Microbiology, Vol. 45, (5) : 1561-1564
Widerström, Micael; Wiström, Johan; Ferry, Sven; et al.
Molecular epidemiology of meticillin-resistant coagulase-negative staphylococci in a Swedish county hospital: evidence of intra- and interhospital clonal spread
Journal of Hospital Infection, Vol. 64, (2) : 177-183
Widerström, Micael; Monsen, Tor; Karlsson, Carina; et al.
Endocarditis due to Staphylococcus sciuri.
European Journal of Clinical Microbiology and Infectious Diseases, Vol. 17, (9) : 673-5
Hedin, G; Widerström, Micael
The emergence of an antimicrobial resistant Staphylococcus epidermidis clone in Northern Europe
Kellgren, Therese; Dwibedi, Chinmay Kumar; Widerström, Micael; et al.
View publications in DiVA

Research groups

Head of research
Micael Widerström