Read more from this series in parts one and two. It is this second class that provides the most interest. At least 33 million Americans have been infected with COVID-19 since the start of the pandemic, and some have argued that have already had the illness should be counted toward America's progress to herd immunity. in part two of this series. And the type of antibodies that vaccines trigger are not detectable by tests designed to tell who has already infected, so the blood test likely won't confirm that someone has been vaccinated (functioning like a pseudo-immunity passport).
passport has a xx xx xxx xx xx xxx button.
( z0 have :ARG0 ( z1 passport ) :ARG1 ( z2 button :mod ( z3 string-entity :value "xxx" ) ) )
(z0 / have-03
    :ARG0 (z1 / passport)
    :ARG1 (z2 / button
              :mod (z3 / string-entity
                       :value "xxx")))
passport has a xx xx xxx xx xx xxx button .
z0 :ARG0 z1
z3 :value 0
z2 :mod z3
z0 :ARG1 z2