What are vaccines made of?

All the components of vaccines have important roles to play to make sure the vaccine is effective and safe. The main component of vaccines are antigens which are dead, weakened or synthesized versions of the disease causing virus or bacteria. Vaccines contain small amounts of other ingredients, such as formaldehyde, gelatin or aluminum, most of which are found naturally in our body, food, or nature. The ingredients found in vaccines help the body’s immune system respond better to the vaccine or are additives and preservatives that maintain the quality and effectiveness of the vaccine.

What are vaccines made of?

All the components of vaccines have important roles to play to make sure the vaccine is effective and safe. The main component of vaccines are antigens which are dead, weakened or synthesized versions of the disease causing virus or bacteria. Vaccines contain small amounts of other ingredients, such as formaldehyde, gelatin or aluminum, most of which are found naturally in our body, food, or nature. The ingredients found in vaccines help the body’s immune system respond better to the vaccine or are additives and preservatives that maintain the quality and effectiveness of the vaccine.