The Terengganu Health Department has reported a rise in malaria cases involving both undocumented and documented migrants, with 13 infections recorded since early May.
In a statement, the department said 11 of the cases involved undocumented migrants, while two were documented foreign workers. All cases have been classified as imported infections.
Health officials confirmed that investigations found the patients were infected outside the country, and stressed that no local transmission has been detected so far.
Authorities said early detection efforts helped prevent further spread, with health teams successfully breaking the chain of transmission.
The department also noted that a circular was issued on June 3 instructing healthcare personnel to remain vigilant and alert for any potential malaria cases.
Following the outbreak detection, close contacts were traced and monitoring was carried out at health facilities, alongside vector control measures in affected areas.
All infected individuals have been admitted to government health facilities for treatment and continued medical supervision.
