The national headquarters directed all state-owned Colleges of Education to join the strike and press home their local demands.
A 25-litre jerrycan of water, which hitherto sold at N30, now costs between N80 and N150, depending on the area.
The infected persons developed symptoms such as severe vomiting and urine mixed with blood.
The raid followed a month-long surveillance on activities of the processors of fake sachet water and milk products.
“After school hours, students should return to their homes and observe personal hygiene,” Mr. Ibn-Sina said.
