superdodger

a person who possesses a specific genetic mutation that renders them completely resistant to a particular virus: Genetic studies of HIV superdodgers have provided researchers with invaluable information.

anyone who, for unverified reasons, remains uninfected or asymptomatic even after repeated exposure to a contagious virus: In a household of six, everyone was very ill except for one, a 31-year-old superdodger who never had so much as a sniffle.