a rash of

Ex: The prolonged and often passionate debate on Community membership provoked not only a rash of polemical and partisan literature but also more balanced and informative texts for public consumption as well as more reflective academic evaluations.

= un rosario de, una racha de, un aluvión de
Ex: The prolonged and often passionate debate on Community membership provoked not only a rash of polemical and partisan literature but also more balanced and informative texts for public consumption as well as more reflective academic evaluations.