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Activities

Employment (1)

Norwegian Institute of Public Health: Oslo, NO

2008-10-01 to present | Senior Scientist/Professor (Infectious Disease Immunology)
Employment
Source: Self-asserted source
Siri Mjaaland

Education and qualifications (1)

University of Oslo: Oslo, NO

1987-01-01 to 1992-02-07 | PhD (Faculty of Mathematics and Natural Science)
Education
Source: Self-asserted source
Siri Mjaaland

Professional activities (2)

Universitetet i Oslo: Oslo, NO

2013-05-20 to 2019-06-30 | Partner (KG Jebsen Center for Influenza Vaccine Research)
Membership
Source: Self-asserted source
Siri Mjaaland

Columbia University Mailman School of Public Health: New York, NY, US

2014-09-01 to 2015-06-30 | Guest researcher (Center for Infection and Immunity)
Invited position
Source: Self-asserted source
Siri Mjaaland

Works (50 of 88)

Items per page:
Page 1 of 2

T cell responses to repeated SARS-CoV-2 vaccination and breakthrough infections in patients on TNF inhibitor treatment: a prospective cohort study

eBioMedicine
2024-10 | Journal article | Author
Part of ISSN: 2352-3964
Contributors: Asia-Sophia Wolf; Kristin H. Bjørlykke; Hilde S. Ørbo; Sabin Bhandari; Guri Solum; Ingrid Fadum Kjønstad; Ingrid Jyssum; Unni C. Nygaard; Anja Bråthen Kristoffersen; Ingrid E. Christensen et al.
Source: Self-asserted source
Siri Mjaaland

Characterization of the SARS-CoV-2 antibody landscape in Norway in the late summer of 2022: high seroprevalence in all age groups with patterns of primary Omicron infection in children and hybrid immunity in adults

BMC Infectious Diseases
2024-08-20 | Journal article
Part of ISSN: 1471-2334
Contributors: Gro Tunheim; Even Fossum; Anna Hayman Robertson; Gunnar Øyvind Isaksson Rø; Adity Chopra; John T. Vaage; Elisabeth Lea Vikse; Anne-Marte Bakken Kran; Per Magnus; Lill Trogstad et al.
Source: Self-asserted source
Siri Mjaaland

Long COVID: Deep single-cell immunophenotyping and machine learning reveal a general signature for fatigue.

2024-06-25 | Preprint
Contributors: Silke Sommen; Sunniva Segtnan; Joel Selvakumar; Lise Beier Havdal; Tonje Stiansen-Sonerud; Johannes Gjerstad; Siri Mjaaland; Unni Nygaard; Vegard Wyller; Ratnadeep Mukherjee et al.
Source: check_circle
Crossref

Mass cytometry reveals cellular correlates of immune response heterogeneity to SARS-CoV-2 vaccination in the elderly

2024-03-01 | Preprint | Author
Contributors: Ratnadeep Mukherjee; Linn Eggesbø; Asia-Sophia Wolf; Ingrid Kjønstad; Guri Solum; Anthony Ravussin; Sabin Bhandari; Anna Robertson; Per Magnus; Lill-Iren Schou Trogstad et al.
Source: Self-asserted source
Siri Mjaaland

T cell responses to repeated SARS-CoV-2 vaccination and breakthrough infections in patients with inflammatory bowel disease on TNF inhibitor treatment, a prospective cohort study

Journal of Crohn's and Colitis
2024-01-24 | Journal article
Part of ISSN: 1873-9946
Part of ISSN: 1876-4479
Contributors: K H Bjørlykke; A S Wolf; H S Ørbo; S Bhandari; G Solum; I F Kjønstad; K P Lund; A T Tveter; J Sexton; I Jyssum et al.
Source: Self-asserted source
Siri Mjaaland

Unexpected vaginal bleeding and COVID-19 vaccination in nonmenstruating women

Science Advances
2023-09-22 | Journal article
Contributors: Kristine Blix; Ida Laake; Lene Juvet; Anna Hayman Robertson; Ida Henriette Caspersen; Siri Mjaaland; Siri N. Skodvin; Per Magnus; Berit Feiring; Lill Trogstad
Source: check_circle
Crossref

Heavy bleeding and other menstrual disturbances in young women after COVID-19 vaccination

Vaccine
2023-08 | Journal article
Part of ISSN: 0264-410X
Contributors: Lill Trogstad; Ida Laake; Anna H. Robertson; Siri Mjaaland; Ida Henriette Caspersen; Lene Kristine Juvet; per magnus; Kristine Blix; Berit Feiring
Source: Self-asserted source
Siri Mjaaland

Metabolomic analysis of maternal mid-gestation plasma and cord blood in autism spectrum disorders

Molecular Psychiatry
2023-06 | Journal article
Contributors: Xiaoyu Che; Ayan Roy; Michaeline Bresnahan; Siri Mjaaland; Ted Reichborn-Kjennerud; Per Magnus; Camilla Stoltenberg; Yimeng Shang; Keming Zhang; Ezra Susser et al.
Source: check_circle
Crossref

Determinants of humoral and cellular immune responses to three doses of mRNA SARS-CoV-2 vaccines in older adults: a longitudinal cohort study

The Lancet Healthy Longevity
2023-05 | Journal article
Part of ISSN: 2666-7568
Contributors: Anthony Ravussin; Anna Hayman Robertson; Asia-Sophia Wolf; Kristine Blix; Ingrid Fadum Kjønstad; Guri Solum; Berit Feiring; Bjørn Heine Strand; Fridtjof Lund-Johansen; Ludvig A Munthe et al.
Source: Self-asserted source
Siri Mjaaland

T cell responses to SARS-CoV-2 vaccination differ by disease-modifying therapy for multiple sclerosis

JCI Insight
2023-05-09 | Journal article | Author
Part of ISSN: 2379-3708
Contributors: Asia-Sophia Wolf; Anthony Ravussin; Marton König; Mathias Herstad Øverås; Guri Solum; Ingrid Fadum Kjønstad; Adity Chopra; Trygve Holmøy; Hanne F. Harbo; Silje Watterdal Syversen et al.
Source: Self-asserted source
Siri Mjaaland

Four SARS-CoV-2 vaccine doses or hybrid immunity in patients on immunosuppressive therapies: a Norwegian cohort study

The Lancet Rheumatology
2023-01 | Journal article
Part of ISSN: 2665-9913
Contributors: Kristin H Bjørlykke; Hilde S Ørbo; Anne T Tveter; Ingrid Jyssum; Joseph Sexton; Trung T Tran; Ingrid E Christensen; Grete Birkeland Kro; Tore K Kvien; Jørgen Jahnsen et al.
Source: Self-asserted source
Siri Mjaaland

Menstrual disturbances in 12- to 15-year-old girls after one dose of COVID-19 Comirnaty vaccine: Population-based cohort study in Norway

Vaccine
2023-01 | Journal article
Part of ISSN: 0264-410X
Contributors: Ida Henriette Caspersen; Lene K Juvet; Berit Feiring; Ida Laake; Anna Hayman Robertson; Siri Mjaaland; Per Magnus; Lill Trogstad
Source: Self-asserted source
Siri Mjaaland

Author Correction: Titers of antibodies against ancestral SARS-CoV-2 correlate with levels of neutralizing antibodies to multiple variants

npj Vaccines
2023-01-25 | Journal article
Part of ISSN: 2059-0105
Contributors: Trung The Tran; Eline Benno Vaage; Adi Mehta; Adity Chopra; Lisa Tietze; Anette Kolderup; Aina Karen Anthi; Marton König; Gro Nygaard; Andreas Lind et al.
Source: Self-asserted source
Siri Mjaaland
grade
Preferred source (of 3)‎

Increased Occurrence of Menstrual Disturbances in 18- to 30-Year-Old Women after COVID-19 Vaccination

SSRN Electronic Journal
2022 | Journal article
Part of ISSN: 1556-5068
Contributors: Lill Trogstad; Ida Laake; Anna Hayman Robertsen; Siri Mjaaland; Ida Henriette Caspersen; Lene Kristine Juvet; Per Magnus; Kristine Blix; Berit Feiring
Source: Self-asserted source
Siri Mjaaland

Titers of antibodies against ancestral SARS-CoV-2 correlate with levels of neutralizing antibodies to multiple variants

npj Vaccines
2022-12-30 | Journal article
Part of ISSN: 2059-0105
Contributors: Trung The Tran; Eline Benno Vaage; Adi Mehta; Adity Chopra; Lisa Tietze; Anette Kolderup; Aina Karen Anthi; Marton König; Gro Nygaard; Andreas Lind et al.
Source: Self-asserted source
Siri Mjaaland

Immunogenicity and safety of a three-dose SARS-CoV-2 vaccination strategy in patients with immune-mediated inflammatory diseases on immunosuppressive therapy

RMD Open
2022-11 | Journal article
Part of ISSN: 2056-5933
Contributors: Silje Watterdal Syversen; Ingrid Jyssum; Anne Therese Tveter; Joe Sexton; Ingrid Egeland Christensen; Trung T Tran; Kristin Hammersbøen Bjørlykke; Siri Mjaaland; David J Warren; Tore Kristian Kvien et al.
Source: Self-asserted source
Siri Mjaaland

Effectiveness of mRNA Booster Vaccination Against Mild, Moderate, and Severe COVID-19 Caused by the Omicron Variant in a Large, Population-Based, Norwegian Cohort

The Journal of Infectious Diseases
2022-11-28 | Journal article
Part of ISSN: 0022-1899
Part of ISSN: 1537-6613
Contributors: Ida Laake; Siri N Skodvin; Kristine Blix; Ida Henriette Caspersen; Håkon K Gjessing; Lene K Juvet; Per Magnus; Siri Mjaaland; Anna H Robertson; Jostein Starrfelt et al.
Source: Self-asserted source
Siri Mjaaland

The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study

BMC Medicine
2022-10-05 | Journal article
Part of ISSN: 1741-7015
Contributors: Ingrid Egeland Christensen; Ingrid Jyssum; Anne Therese Tveter; Joseph Sexton; Trung T. Tran; Siri Mjaaland; Grete Birkeland Kro; Tore K. Kvien; David John Warren; Jørgen Jahnsen et al.
Source: Self-asserted source
Siri Mjaaland

Immunogenicity and Safety of Standard and Third‐Dose SARS–CoV‐2 Vaccination in Patients Receiving Immunosuppressive Therapy

Arthritis & Rheumatology
2022-08 | Journal article
Part of ISSN: 2326-5191
Part of ISSN: 2326-5205
Contributors: Silje Watterdal Syversen; Ingrid Jyssum; Anne Therese Tveter; Trung T. Tran; Joseph Sexton; Sella Aarrestad Provan; Siri Mjaaland; David J. Warren; Tore Kristian Kvien; Gunnveig Grødeland et al.
Source: Self-asserted source
Siri Mjaaland

T cell responses to SARS-CoV-2 vaccination in people with multiple sclerosis differ between disease-modifying therapies

2022-08-25 | Preprint
Contributors: Asia-Sophia Wolf; Anthony Ravussin; Marton König; Mathias H. Øverås; Guri Solum; Ingrid Fadum Kjønstad; Adity Chopra; Trygve Holmøy; Hanne F. Harbo; Silje Watterdal Syversen et al.
Source: Self-asserted source
Siri Mjaaland

Immune responses in Omicron SARS-CoV-2 breakthrough infection in vaccinated adults

Nature Communications
2022-07-18 | Journal article
Part of ISSN: 2041-1723
Contributors: Hassen KARED; Asia-Sophia Wolf; Amin Alirezaylavasani; Anthony Ravussin; Guri Solum; Trung The Tran; Fridtjof Lund-Johansen; John Torgils Vaage; Lise Sofie Nissen-Meyer; Unni Cecilie Nygaard et al.
Source: Self-asserted source
Siri Mjaaland

OP0176 THE PERSISTENCE OF ANTI-SPIKE ANTIBODIES FOLLOWING TWO SARS-CoV-2 VACCINES IN PATIENTS WITH IMMUNE-MEDIATED INFLAMMATORY DISEASES USING IMMUNOSUPPRESSIVE THERAPY, COMPARED TO HEALTHY CONTROLS

Annals of the Rheumatic Diseases
2022-06 | Journal article
Part of ISSN: 0003-4967
Part of ISSN: 1468-2060
Contributors: I. Egeland Christensen; I. Jyssum; A. T. Tveter; J. Sexton; T. T. Tran; S. Mjaaland; G. B. Kro; T. K. Kvien; D. Worren; J. Jahnsen et al.
Source: Self-asserted source
Siri Mjaaland

OP0192 SEROLOGICAL RESPONSE AND SAFETY OF A THREE-DOSE SARS-CoV-2 VACCINATION STRATEGY IN PATIENTS WITH IMMUNE-MEDIATED INFLAMMATORY DISEASES ON IMMUNOSUPPRESSIVE THERAPY

Annals of the Rheumatic Diseases
2022-06 | Journal article
Part of ISSN: 0003-4967
Part of ISSN: 1468-2060
Contributors: I. Jyssum; A. T. Tveter; J. Sexton; I. E. Christensen; T. T. Tran; S. Mjaaland; D. J. Warren; T. K. Kvien; K. H. Bjørlykke; G. B. Kro et al.
Source: Self-asserted source
Siri Mjaaland

Risk of attention‐deficit hyperactivity disorder in offspring of mothers with infections during pregnancy

JCPP Advances
2022-06 | Journal article
Contributors: Kjersti M. Walle; Ragna B. Askeland; Kristin Gustavson; Siri Mjaaland; Eivind Ystrom; W. Ian Lipkin; Per Magnus; Camilla Stoltenberg; Ezra Susser; Michaeline Bresnahan et al.
Source: check_circle
Crossref

Opinion on the Safety of BioProtein® by the Scientific Panel on Animal Feed of the Norwegian Scientific Committee for Food Safety

European Journal of Nutrition & Food Safety
2022-06-03 | Journal article
Contributors: Aksel Bernhoft; Knut Gunnar Berdal; Marit Espe; Siri Mjaaland; Ivar Storrø; Henning Sørum; Mette Valheim; Harald Volden; Marit Aursand; Marc Bertnssen et al.
Source: Self-asserted source
Siri Mjaaland

Sa1052: IMMUNOGENICITY AND SAFETY OF STANDARD AND THIRD DOSE SARS-COV-2 VACCINATION IN PATIENTS WITH IMMUNE-MEDIATED INFLAMMATORY DISEASES; A PROSPECTIVE COHORT STUDY

Gastroenterology
2022-05 | Journal article
Part of ISSN: 0016-5085
Contributors: Kristin K. Joergensen; Silje W Syversen; ingrid Jyssum; Anne Therese Tveter; Trung T. Tran; Joe Sexton; Sella A. Provan; Siri Mjaaland; David J. Warren; Tore K. Kvien et al.
Source: Self-asserted source
Siri Mjaaland

Multiplexed measurement of binding- and neutralizing antibodies to SARS-CoV-2 variants in 12.000 post-vaccine sera

2022-04-01 | Preprint
Contributors: Trung The Tran; Eline Vaage; Adi Mehta; Adity Chopra; Anette Kolderup; Aina Anthi; Marton König; Gro Nygard; Andreas Lind; Fredrik Muller et al.
Source: Self-asserted source
Siri Mjaaland

Titers of antibodies the receptor-binding domain (RBD) of ancestral SARS-CoV-2 are predictive for levels of neutralizing antibodies to multiple variants

2022-03-28 | Preprint | Author
Contributors: Trung The Tran; Eline Benno Vaage; Adi Mehta; Adity Chopra; Anette Kolderup; Aina Karen Anthi; Marton König; Gro Nygaard; Andreas Lind; Fredrik Müller et al.
Source: Self-asserted source
Siri Mjaaland
grade
Preferred source (of 3)‎

Immunity in Omicron SARS-CoV-2 breakthrough COVID-19 in vaccinated adults

2022-01-13 | Preprint
Contributors: Hassen Kared; Asia-Sophia Wolf; Amin Alirezaylavasani; Anthony Ravussin; Guri Solum; Trung The Tran; Fridtjof Lund-Johansen; John Torgils Vaage; Lise Sofie Nissen-Meyer; Unni C. Nygaard et al.
Source: Self-asserted source
Siri Mjaaland

Maternal mid-gestational and child cord blood immune signatures are strongly associated with offspring risk of ASD.

Molecular Psychiatry
2022-01-05 | Journal article
Source: Self-asserted source
Siri Mjaaland

Clinical characteristics and outcomes in hospitalized adult influenza patients: an observational study from Norway 2014-2018.

Infectious Diseases (London, England)
2022-01-04 | Journal article
Source: Self-asserted source
Siri Mjaaland
grade
Preferred source (of 2)‎

P605 Immunogenicity and safety of standard and third dose SARS-CoV-2 vaccination in patients with immune-mediated inflammatory diseases; a prospective cohort study

Journal of Crohn's & Colitis
2022-01-01 | Journal article
Contributors: Jørgensen K; Syversen S; Jyssum I; Tveter A; Tran T; Sexton J; Provan S; Mjaaland S; Warren D; Kvien T et al.
Source: Self-asserted source
Siri Mjaaland

Preexisting Cross-Reactive T Cells are Boosted and Comprise Significant Immunity in COVID-19 Recovered Patients

SSRN Electronic Journal
2021 | Journal article
Part of ISSN: 1556-5068
Contributors: Camilla V. Myklebust; Jamie Piers York; Katrine Persgård Lund; Gunnveig Grødeland; Anders Tveita; Lise Sofie Nissen-Meyer; Fridtjof Lund-Johansen; Arne Søraas; Unni C. Nygaard; Siri Mjaaland et al.
Source: Self-asserted source
Siri Mjaaland
grade
Preferred source (of 2)‎

Humoral and cellular immune responses to two and three doses of SARS-CoV-2 vaccines in rituximab-treated patients with rheumatoid arthritis: a prospective, cohort study.

The Lancet. Rheumatology
2021-12-23 | Journal article
Contributors: Jyssen I; Kared H
Source: Self-asserted source
Siri Mjaaland

Safety of Influenza A H1N1pdm09 Vaccines: An Overview of Systematic Reviews.

Frontiers in Immunology
2021-10-28 | Journal article
Source: Self-asserted source
Siri Mjaaland

Efficacy and safety of a third SARS-CoV-2 vaccination in multiple sclerosis vaccine non-responders

2021-10-18 | Preprint | Author
Contributors: Marton König; Hilde Marie Torgauten; Mathias Herstad Øverås; Adity Chopra; Åslaug Rudjord Lorentzen; The Trung Tran; Siri Mjaaland; Ingeborg Aaberge; Kjell-Morten Myhr; Stig Wergeland et al.
Source: Self-asserted source
Siri Mjaaland

Pandemic Preparedness Against Influenza: DNA Vaccine for Rapid Relief.

Frontiers in Immunology
2021-10-08 | Journal article
Source: Self-asserted source
Siri Mjaaland

Immune complexes, innate immunity, and NETosis in ChAdOx1 vaccine-induced thrombocytopenia.

European Heart Journal
2021-10-01 | Journal article
Source: Self-asserted source
Siri Mjaaland

Association between ChAdOx1 nCoV-19 vaccination and bleeding episodes: Large population-based cohort study.

Vaccine
2021-08-31 | Journal article
Source: Self-asserted source
Siri Mjaaland

Acetaminophen use during pregnancy and offspring attention deficit hyperactivity disorder – a longitudinal sibling control study

JCPP Advances
2021-07 | Journal article
Part of ISSN: 2692-9384
Part of ISSN: 2692-9384
Source: Self-asserted source
Siri Mjaaland

Potential causal factors of CFS/ME: a concise and systematic scoping review of factors researched.

Journal of Translational Medicine
2020-12-14 | Journal article
Source: Self-asserted source
Siri Mjaaland

Reduced polyfunctional T cells and increased cellular activation markers in adult allergy patients reporting adverse reactions to food.

BMC Immunology
2020-07-22 | Journal article
Source: Self-asserted source
Siri Mjaaland

Detection of anti-NS1 antibodies after pandemic influenza exposure: Evaluation of a serological method for distinguishing H1N1pdm09 infected from vaccinated cases.

Influenza and Other Respiratory Viruses
2020-01-19 | Journal article
Source: Self-asserted source
Siri Mjaaland

Maternal fever during pregnancy and offspring attention deficit hyperactivity disorder.

Scientific Reports
2019-07-02 | Journal article
Source: Self-asserted source
Siri Mjaaland

Vitamin D Deficiency is Associated with Increased Use of Antimicrobials among Preschool Girls in Ethiopia.

Nutrients
2019-03-07 | Journal article
Source: Self-asserted source
Siri Mjaaland
grade
Preferred source (of 2)‎

Antibody levels in a cohort of pregnant women after the 2009 influenza A(H1N1) pandemic: Waning and association with self-reported severity and duration of illness.

Influenza and Other Respiratory Viruses
2019-01-01 | Journal article
Source: Self-asserted source
Siri Mjaaland

Risk of pregnancy complications and adverse birth outcomes after maternal A(H1N1)pdm09 influenza: a Norwegian population-based cohort study.

BMC Infectious Diseases
2018-10-22 | Journal article
Source: Self-asserted source
Siri Mjaaland

Erratum: Publisher Correction: Augmented CD4 T-cell and humoral responses after repeated annual influenza vaccination with the same vaccine component A/H1N1pdm09 over 5 years.

NPJ Vaccines
2018-09-11 | Journal article
Source: Self-asserted source
Siri Mjaaland

Augmented CD4+ T-cell and humoral responses after repeated annual influenza vaccination with the same vaccine component A/H1N1pdm09 over 5 years.

NPJ Vaccines
2018-08-14 | Journal article
Source: Self-asserted source
Siri Mjaaland

Early prenatal exposure to pandemic influenza A (H1N1) infection and child psychomotor development at 6 months - A population-based cohort study.

Early Human Development
2018-05-24 | Journal article
Source: Self-asserted source
Siri Mjaaland
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