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Table 3 Prevention and control measures taken by the Chinese government in areas with different levels of risk [12, 32, 33]

From: Overcoming COVID-19 in China despite shortcomings of the public health system: what can we learn?


High-risk areas

Medium-risk areas

Low-risk areas

Area traffic control


Close public facilities


Close business


Close primary schools and kindergartens


Close colleges and universities


Delayed start of school

Gathering activities are prohibited

Reduce crowd gathering activities

Suspected cases are quarantined


Close contacts are subject to isolation medical observation

Use a mobile app

Comprehensive screening of fever patients

Medical institutions strengthen the monitoring, detection and reporting of fever cases

Door to door testing


Wear masks in public places

Measuring body temperature

Keep social distance

Information registration of outsiders

Check health code, itinerary card

Negative nucleic acid test certificate

Disinfect relevant places