During the 12th Five Year Plan period, the occurrence time of school public health emergencies in the whole province coincided with the time of students' study in school, with the peak in March to June and November to December [3]. From March to June, other infectious diseases such as diarrhea, hand, foot and mouth disease are often widely spread in schools, resulting in outbreaks or epidemics; from November to December, they are mainly due to the outbreaks of mumps, varicella, influenza and other respiratory infectious diseases in autumn and winter (see Figure 1).<br>
正在翻译中..