What do Walter Reed James Carroll and Jesse Lazear have in common?

Walter Reed, James Carroll, and Jesse Lazear were all key figures in the early 20th century research on yellow fever. They collaborated in the study of the disease, particularly in understanding its transmission through mosquitoes. Their work was instrumental in proving that yellow fever is spread by the Aedes aegypti mosquito, leading to significant advancements in public health and disease prevention. Their contributions helped pave the way for effective control measures and the eventual eradication of yellow fever in certain regions.