The Department of Education and Training of the city required heads of units and schools to seriously carry out urgent tasks, including: cleaning schools and classes, disinfecting kitchen utensils, personal items, etc. before students go back to school after the Lunar New Year holiday. At the same time, it was also required to promote activities of communication, propaganda, education and guidance on disease prevention skills in the winter-spring season and prevention of acute pneumonia caused by the new strain of COVID-19.