egg-based vaccines

Egg-based vaccines are produced using fertilized chicken eggs as a manufacturing platform. In this process, the eggs provide a controlled environment where the viruses, like influenza, are grown and multiplied. After incubation, the virus is harvested, inactivated or weakened, and purified to create the vaccine. This method has been used for decades and is effective for producing large quantities of vaccines. It leverages the eggs' natural environment to grow viruses efficiently, enabling the development of vaccines that protect against diseases such as the flu.