As COVID-19 spread, concerns about infectious diseases rose % who say the spread of infectious diseases is a major threat to the United States
Among respondents who took the survey from March 3-12, before the declaration of a national emergency and the suspension of most professional and collegiate sports seasons, 73% said the spread of infectious diseases was a major threat. But once the declaration was made on March 13, as cases of the novel coronavirus increased across the U.S., more became concerned about the issue. Among those surveyed between March 13-29, 84% named spreading disease as a major threat.
As COVID-19 spread,  | concerns about infectious  | diseases rose  | % who say the spread of infectious  | diseases is a major threat to the  | United States  | 84  | 73%  | March 3-12  | March 13-29  | Source: Survey of U.S. adults conducted  | March 3-29, 2020. Q13d.  | "Americans See Spread of Disease as Top  | International Threat, Along With Terrorism,  | Nuclear Weapons, Cyberattacks  | PEW RESEARCH CENTER 