In Anyang, Henan, there were two people with novel coronavirus's disease. The Henan Provincial Center for Disease Control and Prevention sequenced the whole genome of the virus, and the results showed that the two local infected viruses were all branches of Omicron mutant, and by analysis and comparison, they belonged to the same transmission chain as the existing local epidemic in Jinnan District of Tianjin. Based on the results of epidemiological investigation and gene sequencing, the infection source of this epidemic in Anyang City should be a college student who returned to tangyin county, Anyang City from Jinnan District, Tianjin.

The spread of new coronavirus strains must be strictly controlled, which has become a new goal of global epidemic prevention. Many countries have imposed cross-border flights and travel bans on South Africa and several neighboring countries that first reported the new strain, and photos of the new strain have been released. Professionals said that at this stage, widespread vaccination of COVID-19 vaccine is still an effective way to curb the spread of the virus, and people should be vaccinated as soon as possible.

Henan strengthens the investigation and management of returnees. In high-risk areas such as Xi 'an, Luoyang, Zhengzhou and Xuchang, we should give full play to the advantages of grid management. It is necessary to strictly control the customs, implement the responsibilities of all parties, and ensure that no one leaks and no one leaks. Foreign workers in the province and migrant workers in key areas of the province shall report to the destination communities and units 3 days in advance. These people must have a negative nucleic acid test certificate and a green health code within 48 hours. Upon arrival, they will have another nucleic acid test, and those who are negative will have another 14-day family health monitoring.

At the same time, social control should be strengthened. In view of the recent frequent outbreaks in many places in Henan Province, the municipal epidemic prevention headquarters has comprehensively improved the level of social control, set up epidemic prevention service stations, bus stops and other places at the entry and exit locations, checked health codes and negative certificates of 48-hour nucleic acid testing, issued letters to returnees, and set up nucleic acid sampling points; Strengthen the epidemic prevention work in shopping malls and other places where people gather, schools and other special places, wear masks, take temperature measurements and other measures to verify and disinfect the code; Reduce various forms of crowd gathering activities. Must be held, we must strictly control the number of people, the implementation of the reporting system; Guide the masses to reduce the number of activities such as visiting relatives and friends to less than 11, advocate postponing wedding banquets, simplifying funerals, and not holding banquets. If catering units host more than five banquets and dinners, and individuals hold more than five banquets, they must report to the local health and epidemic prevention department and strictly enforce the health and epidemic prevention regulations.