91 students have poisoned from food in Russia's Krasnoyarsk city, APA's bureau in Russia reports citing press service of the regional department of Russian Health Ministry.
According to the information, yersiniosis infection with a diagnosis of initial pseudotuberculosis have been detected in students.
Salad is supposed to cause poisoning of children at the age of 7-14.
56 students have currently hospitalized, their conditions are medium severe.
A criminal case has been launched regarding the fact, an investigation is underway.