How did crabs get on people?

Sexual contact with infected crabs provides the necessary conditions for crabs to find new hosts through sexual contact, which can easily lead to new hosts being infected with crabs. Pubic lice disease is often prevalent among promiscuous people, but it is not the only route of transmission. In daily life, after one spouse is infected with crabs, it is easy to get infected with crabs through sexual contact and sexual life with his lover when he returns home. Indirect contact with crabs and lice eggs often pollutes underwear, towels, sheets and toilets. With the shedding of pubic hair. Others are infected by these items contaminated by crabs. Floating population is very common. Direct contact with infected crabs is directly exposed to sexually transmitted diseases, including sexual contact infection: First, due to limited living conditions, crowded housing and poor sanitary conditions, people suffering from crabs sleep in the same bed and are in close contact with each other to infect crabs; Second, shaking hands and hugging others at work may also infect this disease.