In 2020, the illness called COVID-19 changed our world forever. However, it wasn't the first pandemic to affect human lives, and it likely won't be the last. This in-depth and honest book takes readers through the history of pandemics and the idea of public health, as well as the background of COVID-19 and the coronavirus that causes it. Manageable text makes a sometimes uncomfortable subject clearer and more understandable, and a glossary explains...