But A Pew study of 1,007 American adults conducted between Oct. 2 and Oct. 5 showed that 32 percent of adults are either “very” or “somewhat” worried that they or someone in their family will be exposed to the Ebola virus. And research shows that emergency rooms become more crowded when a global health scare figures prominently in the media. A 2010 study found that emergency room traffic jumped 7 percent when swine flu was a major news story, according to CNN.