How long will it take to reply to the epidemic hotline 12345?

10 hotline has established a three-level disposal mechanism for public concerns about emergencies, labor services, chronic disease drug supply, etc., to ensure that all appeals related to the epidemic situation will be transferred to relevant departments for disposal within 20 minutes, and special personnel will be arranged to coordinate the grading treatment and reply within a limited time. Among them, the medical assistance category is led by the work category, requiring a reply within 1 hour, the emergency assistance category requires a reply within 2 hours, and the people's livelihood security category requires a reply within 4 hours.