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Christoffer Granvik

Umeå University - Department of Clinical Microbiology

SCHOLARLY PAPERS

5

DOWNLOADS

294

TOTAL CITATIONS

1

Scholarly Papers (5)

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1.

High Prevalence of Persistent Symptoms and Reduced Health-Related Quality of Life 6 Months after COVID-19

Number of pages: 25 Posted: 01 Nov 2022
Irma Ahmad, Alicia Edin, Christoffer Granvik, Lowa Kumm Persson, Staffan Tevell, Emeli Månsson, Ingela Marklund, Ida-Lisa Persson, Anna Kauppi, Clas Ahlm, Mattias N.E. Forsell, Josefin Sundh, Anna Lange, Sara Cajander and Johan Normark
Örebro University - Department of Infectious Diseases, Umeå University - Department of Surgical and Perioperative Sciences, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Surgical and Perioperative Sciences, Karlstad Hospital - Department of Infectious Diseases, Örebro University - Department of Infectious Diseases, Centre for Clinical Research and Education, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Örebro University - Department of Respiratory Medicine, Örebro University - Department of Infectious Diseases, Örebro University - Department of Infectious Diseases and Umeå University - Department of Clinical Microbiology
Downloads 85 (777,583)

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COVID-19, Post acute COVID syndrome, health related quality of life

2.

Long-Term Physical Capacity Following COVID-19: A Prospective, Three-Year Study

Number of pages: 21 Posted: 12 May 2025
Christoffer Granvik, Ida-Lisa Persson, Guilherme W. F. Barros, Clas Ahlm, Mattias N.E. Forsell, Staffan Tevell, Josefin Sundh, Anders Blomberg, Alicia Lind, Sara Cajander and Johan Normark
Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Umeå University, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Karlstad Hospital - Department of Infectious Diseases, Örebro University - Department of Respiratory Medicine, Umeå University, Umeå University, Örebro University and Umeå University - Department of Clinical Microbiology
Downloads 84 (783,685)
Citation 1

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Physical capacity, COVID-19, Breathlessness, Diffusing capacity of the lung

3.

Serological Surveillance of Respiratory Virus Infections in Older Adults Residing in Swedish Long-Term Care Facilities: An Observational Study

Number of pages: 29 Posted: 08 Sep 2025
Preeti Moar, Christoffer Granvik, Kim Blom, Erick Bermúdez-Méndez, Florian Gegenfurtner, Julia Wigren-Byström, Peter Fjällström, Mikael Åberg, Johan Normark, Karin Lore, Anders Johansson and Mattias N.E. Forsell
Umeå University, Umeå University - Department of Clinical Microbiology, Umeå University, Karolinska Institutet, Karolinska Institutet, Umeå University, Umeå University, Uppsala University, Umeå University - Department of Clinical Microbiology, Karolinska Institutet - Department of Medicine, Umeå University - Department of Clinical Microbiology and Umeå University - Department of Clinical Microbiology
Downloads 73 (860,052)

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SARS-CoV-2, COVID-19, Vaccination, RSV, Influenza, Immune monitoring, Vulnerable population, Population immunity, Longitudinal sampling, Risk factors, Mortality

4.

Reduced Varicella-Zoster Virus Immunity Precedes Dementia Development in Older Adults

Number of pages: 12 Posted: 19 Mar 2026
Christoffer Granvik, Johan Normark, Anders Johansson, Mattias N.E. Forsell and Preeti Moar
Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology and Umeå University
Downloads 31 (1,359,097)

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Humoral immunity, longitudinal cohort, post-pandemic immunity, antibody dynamics, dementia onset, prevention strategies, VZV vaccination

5.

People with HIV on antiretroviral therapy demonstrate robust humoral response to influenza vaccination

Number of pages: 11 Posted: 19 Mar 2026
Preeti Moar, Pauline A. Ocaya, Christoffer Granvik, Therese Thunberg and Mattias N.E. Forsell
Umeå University, Sundsvall Hospital, Umeå University - Department of Clinical Microbiology, Umeå University - Department of Clinical Microbiology and Umeå University - Department of Clinical Microbiology
Downloads 21 (1,470,786)

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Suppressive ART, immune restoration, humoral immunity, vaccine immunogenicity, antibody response