Sagy et al. have recently published in #NatureMedicine an analysis of the real-world efficacy of #JYNNEOS, the #smallpox shot redeployed against #monkeypox.
https://www.nature.com/articles/s41591-023-02229-3
Last Fall I wrote a column for Nature Medicine that touched on the FDA's Animal Rule, used in the approval of anti-smallpox drugs due to the difficulty in designing ethically acceptable efficacy screens.
@cyrilpedia
wet seemed to successfully. get that under control in Europe and North America? but a lot of that might have been contact tracing.