3 ms·
> The fact that vaccinated individuals don’t stop transmission... No such fact exists. "Vaccination with BNT162b2 reduces transmission of SARS-CoV-2 to househ
by lamontcg 5y ago
> The fact that vaccinated individuals don’t stop transmission...
No such fact exists.
"Vaccination with BNT162b2 reduces transmission of SARS-CoV-2 to household contacts in Israel"
https://www.medrxiv.org/content/10.1101/2021.07.13.21260393v1 https://www.medrxiv.org/content/10.1101/2021.07.13.21260393v...
> The overall vaccine effectiveness against transmission was 88.5%.
- thomquaid 5y agoIsrael's Minister of Health came out yesterday and said theyre seeing only 39% effectiveness now (delta). Based on prior reporting, Israel's vaccination program seemed to be the best in the world. https://www.bloomberg.com/news/articles/2021-07-23/pfizer-shot-just-39-effective-in-halting-delta-israel-says https://www.bloomberg.com/news/articles/2021-07-23/pfizer-sh...
- lamontcg 5y agoThat is effectiveness against infection. The efficacy against transmission will be higher. When the virus infects someone that is vaccinated there are less symptoms, less viral load and less risk of further transmission. And I don't think anyone has done a study on the efficacy of vaccination preventing superspreading, but I suspect that vaccinated individuals are rarely, if ever, superspreaders. Also that is contradicted by the NEJM study today that finds that Pfizer is still 88% effective against Delta: https://globalnews.ca/news/8050563/pfizer-astrazeneca-vaccine-delta-variant/ https://globalnews.ca/news/8050563/pfizer-astrazeneca-vaccin...