The rash is peculiar to itself, not usually mistaken for anything else, being a purplish red, slightly elevated, flattened papule, about the size of a split pea.
"The Mother and Her Child"
William S. Sadler Lena K. Sadler
On the second or third day after vaccination a red papule appears which soon grows larger, and, after five or six days, it becomes filled with a watery fluid.
"The Mother and Her Child"
William S. Sadler Lena K. Sadler