- In 2001, Nakhon Pathom Province, Thailand, experienced a major dengue fever outbreak, with over 3,100 reported cases and a significant attack rate of 393 per 100,000 individuals.
- Health officials conducted serological surveys and viral RNA tests on 329 healthy volunteers, finding that 8.8% had antibodies indicating past dengue infection, predominantly in those aged 15 to 40.
- The study highlights a need for community involvement in dengue control, noting that high virus circulation and urbanization contribute to ongoing transmission risks, emphasizing personal protection measures.