An investigation team was sent in to trace the transmission route, while the man’s 19 close contacts were treated with medication and put under surveillance, Dr Suraporn Loyha, a public health officer, said yesterday.
The Nam Yeun district native, was hospitalised on Sunday. After tests confirmed the disease, health authorities were alerted on Monday.
Officials would monitor the situation for three to four days for any more cases, he said.
This disease is curable if medicated in time.