Neurosyphilis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people. Neurosyphilis, although infectious, is not a genetic disease.
Motown is a record company founded by Berry Gordy, Jr. and incorporated as Motown Record Corporation in Detroit, Michigan, USA, on April 14, 1960. The name, a portmanteau of motor and town, is also a nickname for Detroit.
So Gaye's version was released as a single on October 30, 1968. Gaye's I Heard It Through the Grapevine eventually outsold the Pips', and until The Jackson 5's I'll Be There 20 months later, was the biggest hit single of all time on the Motown label. It stayed at the top of the Billboard Pop Singles chart for seven weeks, from December 14, 1968 to January 25, 1969.