The reminder followed the CHP's investigation into an influenza-like illness outbreak at a primary school in Tseung Kwan O, affecting 23 students.
The affected students, comprising 13 males and 10 females aged between 6 and 10, developed symptoms of respiratory tract infection, including fever, cough and sore throat, since February 15.
None required hospitalisation. All are in stable condition.
CHP staff have visited the school and provided health advice to the management.
To prevent respiratory tract infection, members of the public are advised to adopt the following measures:
* Build up good body immunity by having a proper diet, regular exercise and adequate rest, reducing stress and avoiding smoking;
* Maintain good personal hygiene, wash hands after sneezing or coughing and cleaning the nose, and wear a mask when having symptoms of respiratory tract infection;
* Maintain good ventilation; and
* Avoid visiting crowded places with poor ventilation.