Which medical company's logo features a snake coiled around a staff, directly referencing the ancient Greek symbol of medicine?

How well do you know the visual identities behind major medical brands? Healthcare companies often embed meaningful symbols in their logos that reflect their history, values, or specialties. From pharmaceutical giants to medical device manufacturers, these logos are seen daily in hospitals and pharmacies worldwide. Test your knowledge of these healthcare visual identities that have become part of the medical landscape.

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Johnson & Johnson (the script logo represents the signature of co-founder James Wood Johnson)
Caduceus Medical Group (their logo uses the Rod of Asclepius, showing a single serpent around a staff)
Pfizer (their blue oval logo evolved from a chemical alembic symbol used in early company materials)
Medtronic (their logo represents human figures within a stylized letter M to symbolize healing relationships)