Be first, be right, be credible, give people practical, proven things to do. "But if you have individuals who are vulnerable in that setting, I think you still need to be very careful if you're going to be exposing younger people in a broader group to older individuals who are vulnerable." The general measures are wear a mask, watch your distance, and wash your hands, as well as strategic closures, Frieden said. "A test can help. It's prudent to try to get tested if you're going to bring together a group of people," Gottlieb said.
They measured the effects of an epidemic on an island.
( z0 measure :ARG0 ( z1 they ) :ARG1 ( z2 affect :ARG0 ( z3 epidemic ) :ARG1 ( z4 island ) ) )
(z0 / measure-01
    :ARG0 (z1 / they)
    :ARG1 (z2 / affect-01
              :ARG0 (z3 / epidemic)
              :ARG1 (z4 / island)))
They measured the effects of an epidemic on an island .
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z0 :ARG1 z2
z2 :ARG0 z3
z2 :ARG1 z4