As they say, the debates will be left to the dinner table. At that point, if the results were negative, they would be cleared to come out of quarantine. If it does, lets keep going. However, theres another issue at play, too. One already has to take the test within three days of departure, and now they have to be sure they get the results in time, or else they risk having to skip their flight and throwing off their plans.
The uncertainty in the test results will keep people in the economy.
( z0 keep :ARG0 ( z1 certain :domain ( z2 thing :ARG2-of ( z3 result :ARG1 ( z4 test ) ) ) :polarity - ) :ARG1 ( z5 person :location ( z6 economy ) ) )
(z0 / keep-02
    :ARG0 (z1 / certain
              :domain (z2 / thing
                          :ARG2-of (z3 / result-01
                                       :ARG1 (z4 / test-01)))
              :polarity -)
    :ARG1 (z5 / person
              :location (z6 / economy)))
The uncertainty in the test results will keep people in the economy .
z1 :domain z2
z2 :ARG2-of z3
z3 :ARG1 z4
z1 :polarity 0
z0 :ARG0 z1
z0 :ARG1 z5
z5 :location z6