Preliminary results of clinical trials of a vaccine for haemorrhagic dengue fever in 4,000 children in Thailand have shown promising results, a Mahidol University researcher revealed yesterday.

The study was started in 2009 by a team from Mahidol University, Ratchaburi Hospital and the Public Health Ministry’s Disease Control Department.

The team is carrying out an efficacy study on a vaccine covering four serotypes of dengue virus on 4,000 children aged four to 11 years in Muang district, Ratchaburi province.

Read more: Asia One