Dryvax

Dryvax was a freeze-dried calf lymph smallpox vaccine manufactured by Wyeth from the 1960s into the 1970s.

Dryvax is a live-virus preparation of vaccinia prepared from calf lymph. Trace amounts of the following antibiotics (added during processing) may be present: neomycin sulfate, chlortetracycline hydrochloride, polymyxin B sulfate, and dihydrostreptomycin sulfate