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…

This title examines viruses, bacteria, fungi and protozoa, how they attack the body, and how the immune system responds with white blood cells, antibodies, fever, mucus, and pus, and how…

The Zika Virus covers the Zika outbreak that began in 2015, discusses the history of the virus and its discovery, examines how the virus spreads and how it affects the infected, and looks at…