The I Index

Cass R. Sunstein,
The New York Times Book Review
Offit is a good storyteller, and he has some terrific stories to tell. He also draws important lessons.
David A. Shaywitz,
The Wall Street Journal
... a series of prismatic examples shared by Paul Offit.
Elizabeth J. Eastwood,
Library Journal
He acknowledges the existence of uncertainty and the risks required for the work of medical explorers of the modern age, along with the near inevitability of such risk. Offit illustrates his points with relevant examples from the development of COVID-19 vaccines.

Publishers Weekly
...impressive.

Kirkus
Certainly, the maxim that no one should know how sausages are made applies here, but Offit is a fluid storyteller armed with decades of knowledge, and he provides an educative, though often distressing, reading experience. Unsettling but realistic medical histories..