Humoral Immunity Against Orthopoxvirus in Vaccinated and Unvaccinated Individuals during 2022 Mpox Outbreak.

Yijia Li, Michael B Townsend, Shanshan Li, Quinn E Testa, Tom Medvec, Elizabeth A Thompson, Frank J Palella, Matthew J Mimiaga, James B Brock, Maria L Alcaide, Anandi N Sheth, Michelle Floris-Moore, Aruna Chandran, Audrey L French, Phyllis C Tien, Daniel J Merenstein, Michael Augenbraun, Anjali Sharma, Caitlin A Moran, Charles R Rinaldo, Bernard Jc Macatangay, Panayampalli S Satheshkumar, Ken S Ho
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Abstract

Little is known about serological responses to MVA-BN (JYNNEOS) against mpox in elderly individuals with or without HIV. In this study, MVA-BN induced sustained IgG levels regardless of HIV status even up to one year. Birth before 1973 correlated with higher IgG. MVA-BN unvaccinated individuals with HIV had lower IgG than vaccinated.

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2022年Mpox暴发期间接种疫苗和未接种疫苗个体对正痘病毒的体液免疫
人们对感染或未感染艾滋病毒的老年人对MVA-BN(JYNNEOS)的血清反应知之甚少。在这项研究中,无论是否感染艾滋病毒,MVA-BN 都能诱导持续的 IgG 水平,甚至长达一年。1973年以前出生的人IgG水平较高。未接种 MVA-BN 疫苗的艾滋病毒感染者的 IgG 低于接种疫苗者。
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