This title uses a then-and-now approach to investigate testing and treatment strategies during both the 1918 influenza pandemic and the COVID-19 pandemic. Powerful photographs and content-packed sidebars will help readers explore how these two crises have impacted the world. Aligned to Common Core Standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO. Glossary of key words Index Informative sidebars Primary-source text Table of contents Timeline of key events This topical series uses a then-and-now approach to explore how the influenza pandemic of 1918 and the COVID-19 pandemic of 2020 have shaped our culture, crisis response, medical advancements, and more. Readers learn key facts about the pandemics, such as how the novel viruses spread and how health-care professionals responded to the emergencies. Aligned to Common Core Standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO.