Covaxin, the Covid-19 vaccine, being developed by Bharat Biotech is now undergoing phase-3 trials. The company is also working on another vaccine for Covid-19. The new vaccine would be in the form of nasal drops and can be ready by next year. Bharat Biotech is the only vaccine company in the world which has BSL3 production facility. Covaxin is being developed by Bharat Biotech, in collaboration with ICMR and National Institute of Virology.