Albertans who were at two Calgary hospital emergency departments on May 21 or May 22 are being warned they may have been exposed to measles. The Alberta government issued a public measles exposure alert dated May 25 for Foothills Medical Centre Emergency Department and Alberta Children’s Hospital Emergency Department. Related Stories: Possible measles exposures listed at Calgary clinic, hospital and hotel Alberta forecasts stronger river flows, but Milk River irrigators can no longer draw water