Health Times Zhang Meng Dong Yingyu
Since the detection of the first infected person on 5 December, as of 24:00 on 19 December, Zhejiang Province has reported a cumulative total of 480 confirmed cases of confirmed cases. Among them, there were 375 cases in Shaoxing City, 74 cases in Ningbo City, and 31 cases in Hangzhou City.
In this round of zhejiang epidemic, there are several characteristics that deserve attention.
Profile photo: Fortune Wings/ Photo
Feature 1: The first cases were found in active testing and screening
The current round of epidemics in Zhejiang is mainly concentrated in Shaoxing, Ningbo and Hangzhou. On the evening of December 7, Zhang Ping, director of the Zhejiang Provincial Health Commission, introduced at a press conference on epidemic prevention and control held by the Information Office of the People's Government of Zhejiang Province that the first cases in various places were found in active testing and investigation.
Feature 2: There are multiple clusters of outbreaks
In this round of epidemic in Zhejiang, the aggregation is obvious, involving a number of large-scale gathering places such as fresh supermarkets, funerals, moxibustion halls, chess and card rooms, etc.
According to the detailed circulation information released by Shaoxing, it was found that a number of confirmed cases had a trajectory cross with the Shunjie Road Chase E Fresh Supermarket (Vegetable Market), and the associated cases exceeded 70 people, of which many people appeared in the fresh supermarket in the early morning, and the cumulative stay time in the supermarket exceeded 10 hours.
According to the notification information, the first case confirmed on December 7 in Shangyu District, Shaoxing, Zhejiang Province, Sun Mou, was a medical staff of the Shangpu Town Health Center in Shangyu District, and from December 1 to 3, because of the death of his grandmother, he had contact with his cousin who returned to Shangyu from outside the province, and his cousin was diagnosed as a confirmed case of new crown pneumonia on December 7 after returning to the outside of the province. Of the 18 positive infected people as of 21:00 on 8 December, 11 were close relatives and 7 were distant relatives or friends, all of which were related to the funeral.
The activity trajectories of 11 cases of infected people released by the "Ningbo Release" WeChat public account on the evening of December 7 showed that there were multiple trajectories of the relevant infected people, including many elderly people who had been treated in the same moxibustion hall.
Feature three: the transmission chain is relatively clear
As of now, the chain of the epidemic in Zhejiang is relatively clear. On the evening of December 7, Zhang Ping, director of the Zhejiang Provincial Health Commission, introduced at a press conference on epidemic prevention and control held by the Information Office of the People's Government of Zhejiang Province that according to the circulation survey, the epidemic in Zhenhai is an independent epidemic and has no local connection with the epidemics in Shangyu and Xiaoshan; the epidemics in Shangyu and Xiaoshan are highly correlated.
The first case of the epidemic in Ningbo first spread within the family, passed on by family members to colleagues, and then caused many infections by their colleagues through the Zhenhai District Life Sunshine Moxibustion Care Center, and then the infected people in the center caused a recurrence of infection in the family and community, the path of the epidemic in Zhenhai is clear, all belong to the same transmission chain, and the activity trajectory of all infected people is clear.
The first case of investigation in Shangyu, Shaoxing and Xiaoshan, Hangzhou, was first related to a funeral held in Shangyu, and then the epidemic in Shaoxing caused infection in supermarkets with more people coming and going. On December 13, Xia Shichang, deputy director of the Zhejiang Provincial Health Commission, introduced in the "News 1+1" program that there were many people entering and leaving the Chase supermarket on Shangyu Shunjie Road, and the people in the vegetable market were related to the funeral of the first case, causing some stall owners in the vegetable market to spread to each other. Many people in the Hangzhou communication chain are colleagues and have eaten and played cards.
Feature 4: There is a case of severe illness, and the infected people are mostly elderly
On 13 December, Ningbo reported a severe case, which is also the first severe case in zhejiang province in this round of the epidemic. According to the activity trajectory of confirmed cases released by the Ningbo Municipal Government, nearly half of the 74 cases infected by the epidemic are over 60 years old; among the confirmed cases in Shaoxing, the number of infected people over 60 years old also exceeds 50.
Feature 5: The current round of the epidemic is still caused by the Delta strain
On the afternoon of December 12, at the press conference on the prevention and control of the new crown pneumonia epidemic in Zhejiang Province, the relevant person in charge introduced that the Zhejiang Provincial Disease Control Department did whole genome sequencing and analysis of the strains of relevant cases in Ningbo, Shaoxing and Hangzhou, and found that they all belonged to the Delta variant strain.
