Not the first time...
https://learntherisk.org/vaccines/ingredients/
Do You Know What’s in a Vaccine? - Learn the Risk
Aluminum, Formaldehyde, MSG, E.Coli & More… As with all pharmaceutical products, it’s important to know what exactly you’re taking — or injecting. Vaccines are no exception. In fact, because vaccines are injected rather than taken orally, it even more important to know exactly what you’re puttin..
https://learntherisk.org/vaccines/ingredients/