(Fighting against New Coronary Pneumonia) Cases on the Laixi campus in Qingdao continue to increase

　　China News Agency, Beijing, March 7. Comprehensive news: China's National Health and Health Commission announced on the 7th that 327 new confirmed cases were reported in mainland China on the 6th, of which 113 were imported from abroad and 214 were local.

There were 442 new asymptomatic infections, including 130 imported cases and 312 local cases.

　　As of 24:00 on the 6th, there are 3,837 confirmed cases in mainland China, a total of 4,636 deaths, and a total of 111,195 confirmed cases.

There are currently 2,290 confirmed cases imported from abroad, with a total of 15,456 confirmed cases and no deaths.

　　More than 500 new local cases in mainland China, experts analyze why asymptomatic infections have surged

　　On the 6th, the number of new local cases in mainland China exceeded 500 (526), ​​of which 214 were confirmed cases, which not only hit a new high this year, but also marked the first time that more than 200 local confirmed cases have been added each day this year.

The new local cases that day involved 13 provinces, of which the top 6 provinces with the most cases were: 69 cases in Guangdong, 54 cases in Jilin, 46 cases in Shandong, 12 cases in Gansu, 9 cases in Hebei, and 7 cases in Inner Mongolia.

　　There were 312 new cases of local asymptomatic infections that day, which not only also hit a new high this year, but also showed a surge.

The three provinces with the most new local asymptomatic infections that day were: Shandong with 117 cases, all in Qingdao; Guangdong with 104 cases, including 103 in Dongguan and 1 in Huizhou; Shanghai with 45 cases, distributed in Jiading, Minhang, Songjiang District 10, etc.

　　In response to the recent sharp increase in the number of asymptomatic infections in mainland China, relevant experts in Shanghai said that this phenomenon is mainly due to the fact that most of the Omicron variants in this epidemic are mild or even non-existent.

In addition, the current vaccination coverage rate is high, the immunity of the population is enhanced, and although the viral load can be detected (positive), the virulence is difficult to exert (no symptoms).

　　Cases on the Laixi campus in Qingdao continue to grow, and the source of the epidemic is still unclear

　　Qingdao City, Shandong Province added 46 local confirmed cases and 117 asymptomatic infections on the 6th.

　　From March 4th to 6th, in just three days, Laixi City, Qingdao reported a total of 136 local confirmed cases and 115 asymptomatic infections.

Among the confirmed cases, 116 were students, 10 were teachers, and 10 were screened for key populations.

Comparing the official two-day data, the cases of teachers and students in Qingdao Laixi increased from 87 on the 5th to 126 on the 6th, an increase of 39 cases in one day.

　　The latest data released by Qingdao shows that as of 12:00 on the 7th, Qingdao has added 12 local confirmed cases, including 10 in Laixi and 2 in Huangdao District; 45 new cases of asymptomatic infections, including 43 in Laixi 2 cases in Huangdao District.

As of 12:00 on the 7th, a total of 146 local confirmed cases and 158 asymptomatic infections have been reported in Laixi City, Qingdao.

　　Although Qingdao officials said that the current round of outbreak cases in Lacey had different origins from the current domestic and overseas imported cases, and ruled out the possibility of being related to the previous Huangdao cases, the source of infection in Lacey's outbreak is still unknown.

　　Jilin Province added 54 local confirmed cases on the 6th, including 42 in Jilin City, 7 in Changchun City, and 5 in Yanbian Prefecture; 12 new asymptomatic infections, including 5 in Jilin City, 5 in Changchun City, and 2 in Yanbian Prefecture. example.

The number of new cases in Jilin City is still high, and 7 places in the city have been adjusted to medium-risk areas.

　　The epidemic in Putuo District, Shanghai may be caused by imported viruses, and 12 new local confirmed cases in Gansu

　　On the 6th, Shanghai added 3 local confirmed cases and 45 asymptomatic infections.

As of 14:00 on the 7th, Shanghai added 4 local confirmed cases and 8 asymptomatic infections.

Shanghai reported on the 7th that all new cases on that day were found in centralized isolation and control, and 8 of them were related to the epidemic in Xuhui District reported on the 6th.

　　A few days ago, there were 4 local confirmed cases and 19 asymptomatic infections in Putuo District, Shanghai.

The Shanghai Center for Disease Control and Prevention said on the 7th that most of the above-mentioned cases are retirees, their families, colleagues, etc., with a history of community gathering activities (dance teams, fashion classes), a history of co-living and a history of co-working.

These cases were all infected with Omicron variant strains, and their pathogens were different from the local epidemic pathogens before Shanghai and the pathogens of existing imported cases, and were highly homologous to the pathogens of imported cases in some parts of the country.

　　According to research and analysis, the local cases in the epidemic in Putuo District belong to the same transmission chain, focusing on the possibility of infection caused by imported viruses.

　　On the 6th, Gansu Province added 12 new local confirmed cases, all of which were in Lanzhou New District.

Lanzhou New District held a press conference on the 7th, saying that a total of 1,166 close contacts and sub-close contacts have been screened in the district, and all of them have been quarantined for observation and health monitoring.

As of 11:00 on the 7th, a total of 286,000 nucleic acid samples were collected from non-isolation points.

In the next step, Lanzhou New District will make every effort to do a good job in the traceability of the epidemic, nucleic acid testing, isolation and control of key personnel, and social control.

　　The epidemic in the three places in Hebei is the same transmission chain, and the risk of spillover from the epidemic in Shijiazhuang is small

　　On the 6th, Hebei Province added 9 new local confirmed cases, all of which were reported in Qinghe County, Xingtai City.

　　Qinghe County held a press conference on the 7th, saying that in order to prevent the spread of the epidemic in rural areas, in accordance with the requirements of the county's rural prevention and control leading group, all villages in the six towns of Qinghe have set up special killing teams. The village conducts sanitization of the external environment twice a day.

　　There were no new local confirmed cases in Shijiazhuang City, Hebei Province on the 6th, but there were many cases in a business school in the city's high-tech zone.

　　Shijiazhuang High-tech Zone reported on the 7th that the first case in the area was a family member of a positive case in Qinghe County, Xingtai City. As a close contact, the infection caused follow-up transmission. It is the same transmission chain as the epidemic in Handan and Xingtai, which is the Omicorong strain.

In addition, all cases showed a high degree of clustering, and they were all closely related. There was an epidemiological relationship between the cases, and they all had a history of exposure in the same classroom.

　　According to reports, all the cases of the epidemic in Shijiazhuang High-tech Zone were found in centralized isolation points. The circulation, sampling, testing, and isolation were carried out quickly. The risk groups such as close contact and sub-close contact were isolated and controlled at the first time. The risk of epidemic spillover is relatively high. little.

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