A screen displays infectious disease risk assessments for the World Cup at Georgetown's Health Security Operations Center in Washington on June 3, 2026. (AP Photo/Shelby Lum)

Georgetown University's Rebecca Katz points to waste water data looking at infectious diseases at Georgetown's Health Security Operations Center in Washington on June 3, 2026. (AP Photo/Shelby Lum)

Georgetown University's Rebecca Katz points to measles data for the country at Georgetown's Health Security Operations Center in Washington on June 3, 2026. (AP Photo/Shelby Lum)

Canada goalkeeper Dayne St. Clair works out during a training session on the eve of the team's World Cup soccer match against Bosnia, Thursday, June 11, 2026, in Toronto. (AP Photo/Stephanie Scarbrough)

Canada players work out during a training session on the eve of the team's World Cup soccer match against Bosnia, Thursday, June 11, 2026, in Toronto. (AP Photo/Stephanie Scarbrough)

Canada head coach Jesse Marsch, left, with Stephen Eustaquio, speaks during a press conference, Thursday, June 11, 2026, in Toronto, on the eve of the team's World Cup soccer match against Bosnia. (AP Photo/Stephanie Scarbrough)

Canada head coach Jesse Marsch speaks during a press conference, Thursday, June 11, 2026, in Toronto, on the eve of the team's World Cup soccer match against Bosnia. (AP Photo/Stephanie Scarbrough)

Acting Attorney General Todd Blanche speaks during a news conference on unaccompanied children at the Justice Department Thursday, June 11, 2026, in Washington. (AP Photo/Manuel Balce Ceneta)