Don't shut down if it's just one case. The consequences, the GAO warned, could have a longstanding impact along racial lines. A general view of the U.S. Centers for Disease Control and Prevention (CDC) headquarters in Atlanta, Georgia, on September 30, 2014. Some guidance said a single case shouldn't lead to a shut down; other guidance suggested closing down the school for two to five days. Shut down if someone tests positive.
The U.S. CDC was shut down.
( z0 shut-down :ARG1 ( z1 government-organization :name ( z2 name :op "CDC" ) :mod ( z3 country :name ( z4 name :op "U.S." ) ) ) )
(z0 / shut-down-05
    :ARG1 (z1 / government-organization
              :name (z2 / name
                        :op1 "CDC")
              :mod (z3 / country
                       :name (z4 / name
                                 :op1 "U.S."))))
The U.S. CDC was shut down .
z3 :name z4
z4 :op1 1
z1 :mod z3
z1 :name z2
z2 :op1 0
z0 :ARG1 z1