Is the Covid Vaccine Working ? (Part 2)

 The covid vaccines do not seem to be having the same impact as previous vaccine rollouts such as the MMR vaccine :

Source : https://www.bmj.com/content/330/7500/1119

Introduced in October 1988, there was a 90% vaccination rate for children in the UK, similar to the rate of the covid vaccine here in Ireland. The impact is apparent in the sharp fall in rates of infection in the following years.