In the past day, the torrential rain in Zhengzhou affected the hearts of the people across the country. At 16-17 pm on July 20, the rainfall in Zhengzhou reached 201.9 millimeters, which was one-third of last year's consumption nearly an hour later. Heavy rain continued to pour into various subway stations, tourists were suspended throughout the journey, and the city's internal rain was severe.
With the support of all sectors of society in place, the rain will gradually weaken, the urban waterlogging situation will gradually alleviate, and the normal work and life order will be gradually restored. However, disinfection work after flooding is very important.
Environmental sanitation risks after floods are mainly pollution caused by large amounts of silt, domestic garbage, and overflowing feces remaining after the water recedes, and the breeding of disease vectors. Therefore, post-disaster environmental cleanup and disease vector control are very important. After floods, they often lead to the spread and prevalence of various diseases.
Hepatitis A, bacterial dysentery (dysentery bacillus), typhoid and paratyphoid fever, hand, foot and mouth disease, cholera, salmonellosis, jejunal flexural disease caused by diarrhea, Escherichia coli enteritis, food poisoning, etc.
Including leptospirosis, hemorrhagic fever, schistosomiasis, etc. Leptospira (leptospira for short) is a zoonotic disease caused by pathogenic Leptospira. Leptospirosis is greatly affected by rainfall and flood disasters.
Malaria, Japanese encephalitis, dengue fever, etc.