Volume 30, Number 2—February 2024
Dispatch
Residual Immunity from Smallpox Vaccination and Possible Protection from Mpox, China
Figure 1

Figure 1. Serum IgG and neutralizing antibody responses against vaccinia virus Tiantan strain (VTT) among 1,070 participants in a cross-sectional cohort study, China. A) Seropositivity of VTT-specific IgG by birth cohort in 1,070 persons born during 1930–2008, conducted with χ2 or Fisher exact test as appropriate. B) Prevalence of neutralizing antibody by birth cohort in 562 persons born before 1990. .
1These first authors contributed equally to this article.
2These senior authors contributed equally to this article.
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