ping pong infection

A descriptive term for the epidemiology of Trichomonas vaginalis infection, an STD, where person A is treated during sexual partner B’s incubation period for same; B then becomes symptomatic after A has responded to antibiotics, resulting in an infection that ‘bounces’ back and forth from A/B to untreated B/A, in a ping-pong ball-like manner; beta-hemolytic streptococci may also have a ‘ping-pong ball’ pattern of infection

'ping pong' infection

A descriptor for the epidemiology of Trichomonas vaginalis infection, an STD, where person A is treated during sexual partner B's incubation period for same; B then becomes symptomatic after A has responded to antibiotics, resulting in an infection that 'bounces' back and forth from A/B to untreated B/A, in ping-pong ball-like manner; β-hemolytic streptococci may also have a 'ping-pong ball' pattern of infection