As the COVID-19 pandemic unfolded, political leaders and health officials worked to understand the disease, slow the infection rate, and lower the death toll. World Leaders during COVID-19 examines how different leaders reacted, how the messages to their citizens were received, and how effective their measures proved to be. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.