a highly contagious viral disease characterized by fever and weakness and skin eruption with pustules that form scabs that slough off leaving scars
"After surviving the high fever, severe weakness, and painful blisters that erupted across his body, John was left with permanent pockmarks from the smallpox he contracted during the epidemic."
An acute, highly infectious often fatal disease caused by Variola virus of the family Poxviridae. It was completely eradicated in the 1970s. Those who survived were left with pockmarks.
"The historical exhibit featured a terrifying display of smallpox patient journals, reminding visitors that this once-devastating disease had been successfully eradicated decades ago."