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Better response 6 months after Pfizer vaccinations if higher vitamin D – Aug 2022


Association between Vitamin D Serum Levels and Immune Response to the BNT162b2 Vaccine for SARS-CoV-2

Biomedicines. 2022 Aug 17;10(8):1993.doi: 10.3390/biomedicines10081993.
Paola Zelini 1 , Piera d'Angelo 2 , Emanuele Cereda 3 , Catherine Klersy 4 , Peressini Sabrina 5 , Riccardo Albertini 5 , Giuseppina Grugnetti 6 , Anna Maria Grugnetti 6 , Carlo Marena 7 , Sara Cutti 7 , Daniele Lilleri 1 , Irene Cassaniti 1 8 , Baldanti Fausto 1 8 , Riccardo Caccialanza 3

The use of micronutrients such as vitamin D could improve the response to viral vaccines, particularly in immunosuppressed and immunosenescent subjects. Here, we analysed the association between serum 25-hydroxyvitamin D (25OHD) levels and the immune response elicited by the BNT162b2 vaccine in a cohort of 101 healthcare workers naïve for SARS-CoV-2 infection. We observed no significant differences in anti-spike (S) IgG and T-cell responses according to the 25OHD status at baseline. However, significant correlations between the 25OHD concentration at baseline and (i) the anti-S response (p < 0.020) and (ii) the neutralizing antibody (NT) titre (p = 0.040) at six months after the second dose were detected. We concluded that adequate levels of vitamin D may improve the immune response to mRNA vaccines such as BNT162b2, and that further larger studies are warranted in order to confirm these preliminary observations.
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Created by admin. Last Modification: Saturday August 27, 2022 16:22:44 GMT-0000 by admin. (Version 4)

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