Japanese pharma giants Daiichi Sankyo Co. Ltd., Japan Vaccine Co. Ltd and Sanofi K.K. have announced that they will launch 'Squarekids subcutaneous injection syringe', a tetravalent combination vaccine (DPT-IPV) for the prevention of diphtheria, pertussis, tetanus and poliomyelitis (polio) on December 9, 2015.

Squarekids is a product manufactured by Kitasato Daiichi Sankyo Vaccine Co. Ltd., a Group company in Japan of Daiichi Sankyo. This product is a combination vaccine containing DPT vaccine of Kitasato Daiichi Sankyo Vaccine and inactivated polio vaccine (Salk vaccine) of Sanofi filled in prefilled syringes, which is the first tetravalent DTP-IPV combination vaccine in Japan that contains Salk inactivated polio vaccine.