Flooding refers to the phenomenon of heavy rainfall and torrential rainfall causing rapid flow of watercourses, flash floods, overflow of rivers, inundation of farmland, and destruction of the environment and various facilities.

01, intestinal infectious diseases
Such as cholera, typhoid, dysentery, hepatitis A, hand, foot and mouth disease. Their occurrence is usually related to poor environmental sanitation after a disaster, serious contamination of water sources, and the victims' lack of attention to water or food hygiene.
Prevention: Do a good job of "three management and one extermination" (i.e., manage food hygiene, water hygiene, fecal hygiene and eliminate flies).

02. Natural epidemic diseases
Such as renal syndrome hemorrhagic fever (epidemic hemorrhagic fever), leptospirosis, epidemic encephalitis B, malaria, schistosomiasis, bubonic plague, anthrax and brucellosis. They are diseases that often occur during or after floods and refer to diseases that are transmitted to humans, domestic animals, and poultry through wildlife such as rats or from wildlife and are caused by certain transmission routes.
Prevention: do a good job of preventing and exterminating rats and mosquitoes; domesticated animals avoid contact with wild animals; mosquito breeding sites near pig pens and stables should be treated with medication on a regular basis; do a good job of eradicating snails in the infected areas of leptospirosis and schistosomiasis; and avoid unprotected contact with infected water.

03. Skin diseases
Such as impregnated dermatitis, insect bite dermatitis, ringworm, etc. During the flood, people were immersed in water for a long time, coupled with the warm and humid climate at this time, bacteria breeding, mosquitoes and insects, and poor sanitation, itching, rashes, blisters, localized infections and ulcers and other instances occur more often.
Prevention: family installation of screen doors and windows, the use of mosquito nets, keep the skin clean and hygienic, the external use of protective agents; go out and spray mosquito repellent, into the bushes, grass and other mosquitoes in the area is recommended to wear long clothes and long-sleeved, tighten the cuffs pants and so on. Avoid direct skin contact with infected water.