Q: What’s in a vaccine? A: All ingredients in a vaccine help ensure they are safe and effective. Vaccine ingredients can look unfamiliar on a label, but they occur naturally in the human body, the natural environment and the food we eat. | World Health Organization (WHO)

27K views · 721 reactions | Developing and releasing a new vaccine to the public involves many steps. Even though COVID-19 vaccines were developed quickly, they went through all the steps needed to ensure their safety and effectiveness. Partnerships between public organizations and private companies helped make these safe and effective vaccines available for the public. More: https://bit.ly/3blBtkC. | CDC | Facebook