On June 15, 1667, the first direct blood transfusion to a human was performed by the physician Jean-Baptiste #Denis, when he gave a feverish young man approximately 12 ounces of #blood taken from a lamb.
https://www.britannica.com/science/blood-transfusion/Blood-substitutes

We have come a long way since then. I did my part to save lifes, and was donating blood today. I'm sure the recipient(s) are happy not to rely on lamb blood anymore.

#donating #BloodTransfusion #BloodDonation #health #science #medicine