In the past few years, France has seen a steep rise in sexually transmitted infections, but there is one in particular that is rising at an alarmingly rate: syphilis. Experts are worried. Due to the ongoing fight against HIV, syphilis has long been relegated to a much less talked about second place in French public health policy. In the meantime, the number of syphilis cases has exploded, soaring by 110 percent between 2020 and 2022.