The mrna vaccines have an impact on transmission / infection of omicron for about 4-6 months (there is longer-lasting protection against severe illness etc). T

The mrna vaccines have an impact on transmission / infection of omicron for about 4-6 months (there is longer-lasting protection against severe illness etc). This leads to very confusing debates, the "headline" stats used to sell the vaccine demonstrate high effectiveness (they tend to use data from the 4-6 month window where they know it will look good). The metastudies / long-term studies tell a more nuanced story.