Comment on “Impact of immune evasion, waning and boosting on dynamics of population mixing between a vaccinated majority and unvaccinated minority” by Fisman et al. (2024): Incorrect definition and application of a parameter ψ

CORRELATION has published a new brief report entitled “Comment on ‘Impact of immune evasion, waning and boosting on dynamics of population mixing between a vaccinated majority and unvaccinated minority’ by Fisman et al. (2024): Incorrect definition and application of a parameter ψ” authored by Denis G. Rancourt and Joseph Hickey. The report proves that modeling… Continue reading Comment on “Impact of immune evasion, waning and boosting on dynamics of population mixing between a vaccinated majority and unvaccinated minority” by Fisman et al. (2024): Incorrect definition and application of a parameter ψ

Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations

CORRELATION has published a new brief report entitled “Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations” authored by Joseph Hickey and Denis G. Rancourt. The report shows that modeling claims, based on a novel mathematical construction (Ψ), that unvaccinated people disproportionately contribute to the infection risk of vaccinated people are… Continue reading Fisman et al.’s Psi (Ψ) index is ill-defined and leads to absurd interpretations