Smallpox Vaccine Scars: What They Mean and Why They Occur
As a child, the author noticed a small circular mark on their mother’s arm and later saw a similar mark on another older individual. Curious about its origin, they learned that it was a scar left by the smallpox vaccine—a common mark among people who received this important immunization decades ago. Smallpox was once a…
Read More “Smallpox Vaccine Scars: What They Mean and Why They Occur” »