Invisible Invasion: The COVID-19 Pandemic Begins

Battling COVID-19 In late 2019, a deadly virus emerged. The virus caused a dangerous new disease called COVID-19. Within months, the disease had spread to most countries around the world. In the United States, millions of people were infected. Hundreds of thousands died. The COVID-19 pandemic drastically changed American life. Many businesses, restaurants, and stores closed. Schools shut down. For months, people were told to stay in their homes to limit COVID-19's spread. And, US leaders ha...