![]() ![]() In the UK routine immunisation programme, there are 3 vaccines that contain porcine gelatine: Because of this, developing a new safe and effective vaccine with a different stabiliser may take several years or may never happen. Once the manufacturer has chosen the stabiliser for the vaccine, any change in this could require extensive laboratory and clinical studies to show that the safety and effectiveness of the vaccine has not been affected. Why vaccines can’t be made with other types of stabilisers or other types of gelatineĭeveloping a vaccine takes many years of laboratory testing and clinical studies to ensure that it is both safe and effective. Unlike the gelatine used in foods, the product used in vaccines is highly purified and broken down into very small molecules called peptides. Vaccine manufacturers normally test a wide range of stabilisers and choose one that is stable, good quality and available in sufficient volume. This is to ensure that the vaccine remains safe and effective during storage. Porcine gelatine is used in vaccines as a stabiliser. Gelatine is used in a very wide range of medicines, including many capsules and some vaccines. All forms of gelatine for use in medicines are manufactured under strict hygiene and safety regulations. Porcine gelatine comes from collagen in pigs. Collagen is found in tendons, ligaments, bones and cartilage. Gelatine is a substance derived from the collagen of animals such as chickens, cattle, pigs and fish. This guidance has been developed to provide information about vaccines that contain this product and the alternatives that may be available. The issue of pork ingredients in some vaccines has raised concerns among some groups. How and why porcine gelatine is used in vaccines ![]()
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