MEDIA NOTICE Ottawa, December 14, 2023 (Link to PDF of this media notice) During the COVID-era, countries around the world segregated and discriminated against unvaccinated people, including by barring them from public venues where gatherings take place. These segregation policies were applied and promoted using the pretext of theoretical mathematical models with dubious or incorrect… Continue reading Social segregation of unvaccinated people is not scientifically justified
Tag: vaccine passports
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
Compartmental mixing models for vaccination-status-based segregation regarding viral respiratory diseases
Update 2023-12-14: Now published in the peer-reviewed journal Cureus CORRELATION authors Joseph Hickey and Denis Rancourt have posted a new pre-print to medRxiv. Hickey and Rancourt use a simple epidemic model to explore how segregation based on vaccination status (e.g. using “vaccine passports”) affects outcomes such as the number of people infected in the epidemic.… Continue reading Compartmental mixing models for vaccination-status-based segregation regarding viral respiratory diseases