The study was not set up to look at any differences between the two. It is an important point but we cant at the moment say anything about that, he said. The Pfizer/BioNTech was available first so there is more data, but the Oxford/AstraZeneca was mostly used in the older age group. The numbers were very small and there was uncertainty over their significance, said the researchers. He said the numbers were consistent with a relatively constant protection of about 70% at that stage.
The present day is not set up to study.
( z0 set-up :ARG1 ( z1 day :mod ( z2 present ) ) :ARG2 ( z3 study :ARG1 z1 ) :polarity - )
(z0 / set-up-03
    :ARG1 (z1 / day
              :mod (z2 / present))
    :ARG2 (z3 / study-01
              :ARG1 z1)
    :polarity -)
The present day is not set up to study .
z1 :mod z2
z0 :polarity 0
z0 :ARG1 z1
z0 :ARG2 z3
z3 :ARG1 z1