This study is a great first step! Now they need to expand the study to include newborn monkeys getting the "thermiserol free" version of the vaccine and see how they respond. I also hope the continue this study past the first few weeks of life, and look at how this vaccine might affect the rest of childhood development. Then they need another study giving some monkeys the "full childhood vaccine schedule" and compare it to unvaxed monkeys, and watch all these monkeys a few years.
Then maybe another study showing the effects of delayed vax (as an alternative to both vaxing on schedule and no vaxes at all)- or am I just dreaming now? According to Wikipedia, rhesus macaque monkeys reach maturity at 3-4 years old, so it won't take a rediculously long amount of time to study the effects of infant vaccines on all of childhood development or look for effects that last into adulthood.