ALOR SETAR, April 27 – An infectious disease cluster of unknown origin has been detected among 39 school students and staff in Yan, Kedah health authorities confirmed today.

The Star reported that health officials have been put on alert for patients showing symptoms such as cold, fever, cough, blisters, vomiting, diarrhoea, and red rashes, particularly those linked to a private training facility known as Palas Camp.

“All medical officers must immediately notify the Kedah Health Department if patients display any of the mentioned criteria,” Kedah health committee chairman Mansor Zakaria was quoted saying.