The Centre for Health Protection warns that hand, foot and mouth disease cases are on the rise. Five out of the 46 childcare centres under the sentinel surveillance system reported to have infected children last week, compared to a baseline average of up to two facilities.

The centre's Consultant Dr Thomas Tsang said during the week ending June 11, consultation rates for the disease among private doctors was two per 1,000 consultations, compared with 1.1 per 1,000 consultations the week ending June 4.

He said there is a seasonal trend with most cases occurring between May to July. Staff of childcare centres and kindergartens have been reminded to take precautionary measures, and the centre is monitoring the situation.

The viral infection is usually found among young children, and is characterised by fever, sores in the mouth and a rash with blisters. Vesicles can also be found in the oral cavity, on the tongue and palate. Complications are rare.

To prevent the disease:

* wash hands before eating, after using toilets, handling nose or throat discharges, and changing nappies;

* cover mouth and nose when coughing and sneezing;

* maintain good air circulation;

* clean and wash shared toys properly; and,

* keep infected children at home.

Parents are also advised to seek prompt medical attention if their children fall ill.