RIO DE JANEIRO, BRAZIL - Doctors and scientists worldwide are looking for superheroes disguised as ordinary people. These are people who, after being infected with the coronavirus, have developed highly effective antibodies to neutralize the pathogen.
Their blood plasma is among the potential treatments to save other patients' lives. But finding the best antibodies is a task of cosmological proportions.
Each individual holds over one billion B immune cells, each capable of producing a specific, unique type of antibody. When multiplied by the more than four million infected individuals worldwide, the result is four quadrillion possibilities, 2,000 times more than . . .