Union Health Minister Harsh Vardhan on Sunday informed that Bharat Biotech will develop an intranasal vaccine for Covid-19. The minister said that the Hyderabad-based drugs and vaccine research and manufacturing company has entered into an agreement with Washington University and St. Louis University for the trials of the nasal vaccine candidate. The minister also informed that the Phase 1 trials of the vaccine candidate will take place in St Louis University's vaccine and treatment evaluation unit while further stages of the trials will be conducted in India.