Here’s The Truth Behind This Scar On People’s Upper Left Arm
Smallpox, one of history’s most devastating viral infections, caused severe fever and an unmistakable skin rash. By the early 20th century, smallpox outbreaks wreaked havoc, with the virus claiming the lives of 3 out of every 10 infected individuals. Survivors often bore lifelong reminders of their struggle, with scars frequently etched into their faces. The…