Earlier quoted context omitted.
I was under the impression that there is no data showing that the covid mrna vaccines reduce transmission. If you are aware of a source that says otherwise I would love to check it out.
I can't find the article I read a month or so ago that indicated a low protection of around 20% compared to vaccinated. Here's a much older article about the original omicron (quite distinct from the BA.2 descendants we have now): https://www.cdc.gov/mmwr/volumes/71/wr/mm7109e1.htm > The ARs among household contacts of index patients who had received a COVID-19 booster dose, of fully vaccinated index patients who com…
Basically this article doesn't show that vaccines prevent transmission. It doesn't show they don't either, although that there wasn't a more dramatic effect is a negative finding in my opinion. I wish the authors had analyzes the AR in vaccinated vs unvaccinated household contacts.