A Kingdom of Little Animals: Antoni van Leeuwenhoek's discovery of microorganisms made possible the revolutionary advances in biology and medicine that continue to inform our Covid age.

Leeuwenhoek, Antoni van, 1632-1723; Revolutionaries; Centers for Disease Control & Prevention (U.S.); COVID-19 pandemic; Optical instruments

The article focuses on Antoni van Leeuwenhoek's discovery of microorganisms made possible the revolutionary advances in biology and medicine that continue to inform Covid age. It mentions U.S. Centers for Disease Control and Prevention, has left one in 13 adults, or 19 million people in country, with the disabling conditions caused by long Covid. It also mentions De Graaf showed him that advances in how lenses were produced had created optical instruments.