Is Smallpox Vaccine vegetarian?

Dryvax is a live-virus smallpox vaccine derived from vaccinia virus historically propagated on the skin of calves, making it an animal-derived biological product used to confer immunity against smallpox.

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.