1. Characteristics associated with serological COVID-19 vaccine response and durability in an older population with significant comorbidity: the Danish Nationwide ENFORCE Study.  Søgaard OS, Reekie J, Johansen IS, Nielsen H, Benfield T, Wiese L, Stærke NB, Iversen K, Fogh K, Bodilsen J, Iversen M, Knudsen LS, Klastrup V, Larsen FD, Andersen SD, Hvidt AK, Andreasen SR, Madsen LW, Lindvig SO, Øvrehus A, Ostrowski SR, Abildgaard C, Matthews C, Jensen TO, Raben D, Erikstrup C, Fischer TK, Tolstrup M, Østergaard L, Lundgren J; ENFORCE Writing Group.
   Clin Microbiol Infect. 2022;28(8):1126-1133. Abstract
    
2. Levels of SARS-CoV-2 antibodies among fully vaccinated individuals with Delta or Omicron variant breakthrough infections. Stærke NB, Reekie J, Nielsen H, Benfield T, Wiese L, Knudsen LS, Iversen MB, Iversen K, Fogh K, Bodilsen J, Juhl MR, Lindvig SO, Øvrehus A, Madsen LW, Klastrup V, Andersen SD, Juhl AK, Andreasen SR, Ostrowski SR, Erikstrup C, Fischer TK, Tolstrup M, Østergaard L, Johansen IS, Lundgren J, Søgaard OS.
   Nat Commun. 2022;13(1):4466. Abstract
    
3. Inflammation and Platelet Activation After COVID-19 Vaccines - Possible Mechanisms Behind Vaccine-Induced Immune Thrombocytopenia and Thrombosis. Ostrowski SR, Søgaard OS, Tolstrup M, Stærke NB, Lundgren J, Østergaard L, Hvas AM.
   Front Immunol. 2021;12:779453. Abstract
    
4. Comparison of vaccine-induced antibody neutralization against SARS-CoV-2 variants of concern following primary and booster doses of COVID-19 vaccines. Hvidt AK, Baerends EAM, Søgaard OS, Stærke NB, Raben D, Reekie J, Nielsen H, Johansen IS, Wiese L, Benfield TL, Iversen KK, Mustafa AB, Juhl MR, Petersen KT, Ostrowski SR, Lindvig SO, Rasmussen LD, Schleimann MH, Andersen SD, Juhl AK, Dietz LL, Andreasen SR, Lundgren J, Østergaard L, Tolstrup M; ENFORCE Study Group.
   Front Med (Lausanne). 2022;9:994160. Abstract
    
5. Cohort Profile:The Danish National Cohort Study of Effectiveness and Safety of SARS-CoV-2 vaccines (ENFORCE). Stærke NB, Reekie J, Johansen IS, Nielsen H, Benfield T, Wiese L, Søgaard OS, Tolstrup M, Iversen KK, Tarp B, Larsen FD, Larsen L, Lindvig SO, Holden IK, Iversen MB, Knudsen LS, Fogh K, Jakobsen ML, Traytel AK, Ostergaard L, Lundgren J; ENFORCE Study Group.
   BMJ Open. 2022;12(12):e069065. Abstract
    
6. Association of Self-reported Systemic Reactions Following SARS-CoV-2 Vaccination With Immunological Response in the Danish National Cohort Study of Effectiveness and Safety of SARS-CoV-2 Vaccines (ENFORCE). Bannister WP, Raben D, Valentiner-Branth P, Tolstrup M, Larsen L, Tarp B, Brouw Iversen M, Schmeltz Søgaard O, Rye Ostrowski S, Breinholt Stærke N, Jakobsen ML, Olaf Lindvig S, Ruwald Juhl M, Somuncu Johansen I, Mustafa AB, Østergaard L, Dam Larsen F, Surland Knudsen L, Klastrup V, Wiese L, Benfield T, Toft Petersen K, Iversen KK, Nielsen H, Reekie J, Lundgren J; ENFORCE Study Group.
   Open Forum Infect Dis. 2023;10(6):ofad248. Abstract
    
7. Impact of age and comorbidities on SARS-CoV-2 vaccine-induced T cell immunity. Dietz LL, Juhl AK, Søgaard OS, Reekie J, Nielsen H, Johansen IS, Benfield T, Wiese L, Stærke NB, Jensen TØ, Jakobsen SF, Olesen R, Iversen K, Fogh K, Bodilsen J, Petersen KT, Larsen L, Madsen LW, Lindvig SO, Holden IK, Raben D, Andersen SD, Hvidt AK, Andreasen SR, Baerends EAM, Lundgren J, Østergaard L, Tolstrup M; ENFORCE Study Group.
   Commun Med (Lond). 20234;3(1):58. Abstract
    
8. Omicron variant-specific serological imprinting following BA.1 or BA.4/5 bivalent vaccination and previous SARS-CoV-2 infection: A cohort study. Baerends EAM, Reekie J, Andreasen SR, Stærke NB, Raben D, Nielsen H, Petersen KT, Johansen IS, Lindvig SO, Madsen LW, Wiese L, Iversen MB, Benfield T, Iversen KK, Larsen FD, Andersen SD, Juhl AK, Dietz LL, Hvidt AK, Ostrowski SR, Krause TG, Østergaard L, Søgaard OS, Lundgren J, Tolstrup M.
   Clin Infect Dis. 2023:ciad402. Abstract
    
9. Development of antibody levels and subsequent decline in individuals with vaccine induced and hybrid immunity to SARS-CoV-2. Reekie J, Stovring H, Nielsen H, Johansen IS, Benfield T, Wiese L, Stærke NB, Iversen K, Mustafa AB, Petersen KT, Juhl MR, Knudsen LS, Iversen MB, Andersen SD, Larsen FD, Baerends EAM, Lindvig SO, Rasmussen LD, Madsen LW, Bannister W, Jensen TO, Dietz LL, Ostrowski SR, Østergaard L, Tolstrup M, Lundgren JD, Søgaard OS; ENFORCE study group.
   Int J Infect Dis. 2024:107111. Abstract
    

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