On the morning of 2 April, an explosion ripped through the Pasteur Institute of Iran, the country’s leading public health research center, obliterating key labs and biological collections. “Miraculously, no member of our staff was harmed” in the attack, Pasteur’s director, epidemiologist Ehsan Mostafavi, told Science. It appears, he adds, that no pathogens escaped from the facility, which is locat...