Longjiang volunteers can spend several hours a day at most.

Nine hours. According to the relevant information of Longjiang epidemic prevention social worker volunteer service team, Longjiang epidemic prevention service volunteers cooperated with community neighborhood committees, owners' committees, property management companies and other units to carry out investigations and visit Hubei returnees and their close contacts, register and persuade outsiders to return to the community, urge community residents to wear protective equipment such as masks, assist in completing voluntary services such as disinfection and sanitation in public areas, and publicize epidemic prevention and control information and health protection knowledge. Volunteers provide online services for 9 hours every day.