To assess the kinetics of monkeypox virus-specific antibody responses, including peak levels and duration, following intradermal vaccination in Sweden.
Key Findings:
Neutralizing antibodies waned significantly at 3 and 9 months post-vaccination, indicating a need for booster considerations.
The study included a cohort of 97 GBMSM with a median age of 37 years, highlighting the demographic focus.
Previous smallpox vaccination status influenced antibody responses, suggesting a potential for enhanced immunity in vaccinated individuals.
Interpretation:
The findings indicate that while neutralizing antibody responses persist for several months after vaccination, they decline over time, necessitating further research on booster doses and immunological memory to inform public health strategies.
Limitations:
The study's sample size may limit the generalizability of the findings, particularly in diverse populations.
The influence of other factors such as age and health status on antibody responses was not fully explored, which could affect the robustness of the conclusions.
Conclusion:
Booster dosing and the evaluation of long-term immunological memory should be investigated to enhance protection against mpox.
by Carmen Espinosa-Gongora, Wanda Christ, Núria Mayola Danés, Claudia Eichler-Jonsson, Finn Filén, Elisabet Storgärd, Victor Westergren, Jonas Klingström, Sara Gredmark-Russ, Kari Johansen, Anna Mia Ekström, Klara Sondén
