Health Minister Zahid Maleque on Saturday said the recently developed dengue vaccine is still under trial stage, and it will be vaccinated after getting approval from the World Health Organization (WHO).
 
The dengue vaccine, developed by icddr,b, and the Larner College of Medicine at the University of Vermont (UVM), requires more trials and WHO's approval for clinical application against dengue disease, he told journalists at his residence at Gorpara village in Manikganj upazila of the district.