Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, confirmed yesterday that over 600,000 children between 12 and 15 have received the vaccine since it became eligible to them last week. 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. So far, 60 percent of U.S. adults have had at least one dose of Covid vaccines and nearly 38 percent of people aged 18 or older have been fully vaccinated. However, antibody tests should not be used at this time to determine immunity or protection against COVID-19 at any time, and especially after a person has received a COVID-19 vaccination,' the FDA said in a statement. It is this second class that provides the most interest.
These vaccines has helped millions of children.
( z0 help :ARG0 ( z1 vaccine :mod ( z2 this ) ) :ARG1 ( z3 child :quant ( z4 multiple :op 1000000 ) ) )
(z0 / help-01
    :ARG0 (z1 / vaccine
              :mod (z2 / this))
    :ARG1 (z3 / child
              :quant (z4 / multiple
                         :op1 1000000)))
These vaccines has helped millions of children .
z1 :mod z2
z0 :ARG0 z1
z4 :op1 0
z3 :quant z4
z0 :ARG1 z3