1. Postdoctoral training on flavivirus research, at the Department of Biological Sciences, Purdue University, USA.

2. Molecular and structural virology research training, at the Department of Biological Sciences, Purdue University, USA.

3. Flowsight training, at Merk office and Research Instrument Laboratory, Singapore. 

1. Molecular biology of dengue virus

2. Dengue epidemiology

3. Immunology to dengue

4. Dengue detection assays