(added on 2008/11/07)
Allergy in the middle of nowhere 敏感地帶
Rhinoconjunctivitis is one common form of allergic condition in adults and children. It is characterised by runny nose, nasal congestion and itchy eyes and nose. Allergy is a genetically predisposed condition while environment plays a part in the triggering of symptoms. This map shows the varying prevalence of allergic rhinoconjunctivitis in school children of age 13 to 14 in Yuen Long, with Tin Shui Wai showing the highest density. Environmental and socio-economic factors may have played a role in the display of this pattern.