Li Ang's expression was grim and uncertain. Pingkang Square had no practice of registering customer names. Considering the population movement, it was essentially impossible to trace back after such a long time. Thus, it was also unclear whether this disease had indeed appeared a year and a half ago or even earlier, whether it had entered from abroad, or if nationals had contracted it overseas before returning to spread it in Yu Country. Relying solely on publicity and social reform was far from enough to contain and eradicate syphilis. The incubation period of syphilis could be as long as ninety days. Apart from sexual transmission, it could also spread through kissing, contaminated clothes, and other means—virtually impossible to guard against.
Damn it...
Li Ang slightly pursed his lips. Just then, a series of footsteps came from downstairs.
"The patrol's here!"
