Former CDC Director Robert Redfield, predicting an inevitable bird flu pandemic, emphasized the potential for a man-made crisis due to published research on making the virus highly infectious in humans.

Robert Redfield, the former director of the Centers for Disease Control and Prevention (CDC), stated that he believes a bird flu pandemic will occur sometime; the question is when.

Redfield on Friday will talk about the burgeoning bird flu crisis, which has been brought to light by the...