Stegosaurus Skull Fuzzy Fossils The severity of yellow fever

The severity of yellow fever varies from mild to fatal

and ultimately cause infertility

The spread of sickness was so bad that progress on the canal was halted

and Sir Patrick Laidlaw - for the first time isolated the virus

FACTS: Long before Napoleon met his Waterloo

Stegosaurus Skull Fuzzy Fossils The severity of yellow feverStegosaurus lived 150 million years ago during the Jurassic period, 90 million years before T. rex. It was 30 feet long and weighed over 2 tons. When fossil hunters discovered stegosaurus in the 1870s, it revolutionized our understanding of prehistoric reptiles and gave birth to a global fascination with dinosaurs. Size: 7 x 5 x 3"