Beijing had long warned that the only effective response was testing, quarantine and lockdowns. As it shifts policy, it must change how it portrays the risks.
Two industry veterans were at the controls of Flight 5735, which took a sudden dive in good weather. At the crash site in southern China, search crews found wing and engine parts on Thursday.
Search workers recovered identity cards, cellphones and purses from the crash of the Boeing plane that carried more than 130 people. But no survivors have been found.