Bovine plasma donors genetically engineered to produce human antibodies are in the front lines of the struggle against coronavirus. SAB Biotherapeutics, a biotechnology company injects cows with a noninfectious part of the virus, causing them to produce fully human antibodies that will actually neutralize and bind to the live virus. Since the cows are born with human antibodies, “they recognize them as just being a part of themselves”. Polyclonal antibodies bind to multiple epitopes on the virus and so it’s much more difficult for the virus to mutate and become resistant.
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