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Shanghai COVID-19 Medical Treatment Expert Team edits this timely guide for effective prevention and control of COVID-19. Readers will obtain useful guidance on prevention and control of COVID-19 in different places ranging from homes, outdoors, workplaces, etc. You will know "What is the purpose and significance of home quarantine?", " When do you need to wear a mask?", "How should you wash your hands?", "Do you need to wear a mask in an elevator?", "What foods are safe to eat and what are not?", "How to deal with express parcels from major epidemic areas or other areas?" and many other useful tips.

Author: WENZHONG ZHANG