Shattering the Mosaic: How TMV Became Virology’s First Illusion In the late 19th century, scientific medicine underwent a foundational shift—from the belief that miasma, or “bad air,” caused disease—to a germ-centered approach that focused on bacteria as the primary culprits. As bacterial research advanced, efforts to explain “infectious” disease centered on isolating specific microbes believed… Continue reading TMV: The First “Virus”