During the epidemic period, the school's "two cases and nine systems" refers to: two cases: the epidemic prevention and control work plan and the novel coronavirus epidemic emergency plan. Nine systems: infectious disease epidemic situation and public health emergencies reporting system, teacher-student morning and afternoon inspection system, student absence registration and tracking system due to illness, resumption inspection system, student health management system, emergency vaccination system, infectious disease prevention and health education system, ventilation and disinfection system, and environmental sanitation inspection notification system.
Novel coronavirus (20 19, coronavirus pneumonia-19), referred to as "COVID-19", was named "20 19 coronavirus disease" by the World Health Organization, which refers to the pneumonia caused by novel coronavirus infection in 20 19. Since 20 19, 12, many cases of unexplained pneumonia with a history of exposure to the seafood market in South China have been found in some hospitals in Wuhan, Hubei Province, and they have been diagnosed as acute respiratory infectious diseases caused by novel coronavirus infection on 20 19.