Health officials across North America are on high alert for infectious diseases during the World Cup, with measles as a top concern due to its high contagion rate. - Over 2,000 measles cases have been reported in the U.S.
this year, with outbreaks also in Canada and Mexico. - Wastewater testing has detected norovirus, rotavirus, and hepatitis A in some regions.
- The CDC's surveillance dashboard was still in development as games began, while Georgetown University's Health Security Operations Center provides daily reports. - Experts downplay Ebola risk, focusing instead on more easily transmitted diseases like measles.