Health officials are warning about a new case of ringworm likely spread through sex, which has been reported in New York City, the first such case in the U.S. Fox News reports that the infection, a rare fungus called trichophyton mentagrophytes type VII (TMVII), was detected in a man in his 30s, who reported having sex with multiple men during a trip to England, Greece and California, according to a study published Wednesday at JAMA Dermatology by doctors at NYU Langone Health in New York City. The report said the man developed a red, itchy rash on his penis, legs, and across his groin and but…