A yellow quarantine flag, signalling yellow fever, raised on a ship anchored at sea some distance from a port. Watercolour by E. Schwarz-Lenoir, 1920/1950 (?).

    • Schwarz-Lenoir, Ernest.
    Date:
    1920-1950
    Reference:
    566649i

    Licence: In copyright

    Credit: A yellow quarantine flag, signalling yellow fever, raised on a ship anchored at sea some distance from a port. Watercolour by E. Schwarz-Lenoir, 1920/1950 (?). Wellcome Collection. Source: Wellcome Collection.

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