Global Editions

The race to find a covid-19 drug in the blood of survivors

Scientists are scrambling to find powerful antibodies that can turn back the disease. But can they manufacture enough for everyone?
by Antonio Regalado

The blood sample arrived in Vancouver by courier on February 25. It wasn’t much to look at, but to the scientists at the 117-person biotechnology company AbCellera, it was precious. The blood had been drawn from an male survivor of covid-19 in the US. The company was told it was the very first blood sample made available by American authorities.