Earlier, the demand of such vaccine was substantially met by licensed importers in the country since the manufacturers were all vaccine companies based outside India, the health ministry had earlier said
लसींच्या सर्व उत्पादक कंपन्या ह्या भारताबाहेर स्थित असल्याने याआधी या लसीची मागणी देशातील परवानाधारक आयातकांनी मोठ्या प्रमाणात पूर्ण केली आहे.