TORONTO - DECEMBER 21: A woman treated with intravenous therapy on December 21, 2012 in Toronto. Intravenous technology stems from studies on cholera treatment in 1831 by Dr Thomas Latta of Leith.

TORONTO - DECEMBER 21: A woman treated with intravenous therapy on December 21, 2012 in Toronto. Intravenous technology stems from studies on cholera treatment in 1831 by Dr Thomas Latta of Leith.

 Stock photo ID: 125387222

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