Many young children fall sick when they go to their childcare centre. They go there early in the morning and parents can see there is nothing wrong with them. After finishing the day there, they start looking unwell. They catch diseases and other things from other children at the childcare centre. 


To get more information on the topic, listen to this report from VOA. 

http://www.voanews.com/learningenglish/home/Getting-Sick-at-Child-Care-a-Good-Thing-Africas-Meningitis-Vaccine-111885164.html