Panacea Biotec Ltd. has signed two long-term collaboration agreements with Serum Institute of India Pvt. Ltd. and Bilthovan Biologicals B.V. Under the collaboration, SII is entitled to manufacture and sell fully liquid Whole cell Pertussis (wP) and Salk based Injectable Polio Vaccine (IPV) based Hexavalent vaccine (DTwP-HepB-Hib-IPV) developed and commercialized by PBL. SII will ensure supply of IPV bulk to PBL, an important constituent of the Hexavalent vaccine, from its wholly owned subsidiary BBIO Netherlands having technology for making the IPV, earlier possessed by only three other vaccine manufacturers in the world. In next two years, both SII and PBL will work together to get this wP-IPV based Hexavalent vaccine introduced in the National Immunization Program of the Government of India and developing countries by working closely with key stakeholders including but not limited to national governments, WHO, GAVI, BMGF and other UN Agencies, etc.