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"The negative estimates in the final period arguably suggest different behaviour and/or exposure patterns in the vaccinated and unvaccinated cohorts causing und
by gonehome 5y ago
"The negative estimates in the final period arguably suggest different behaviour and/or exposure patterns in the vaccinated and unvaccinated cohorts causing underestimation of the VE. This was likely the result of Omicron spreading rapidly initially through single (super-spreading) events causing many infections among young, vaccinated individuals."
Yeah, I think it's more likely that this is the explanation. At least I'd need to be persuaded that the more unlikely explanation is the correct one.
- app_gorilla 5y agoyah, difficult to control for that for sure. But most polling indicates unvaccinated folks are far less concerned about COVID in general and less likely to modify their behavior. Source: https://www.kff.org/coronavirus-covid-19/poll-finding/kff-covid-19-vaccine-monitor-july-2021/ https://www.kff.org/coronavirus-covid-19/poll-finding/kff-co...