China News Service, Nanjing, July 27 (Xu Shanshan) On the morning of the 27th, Nanjing held a press conference on the prevention and control of the new crown pneumonia epidemic in Nanjing (the seventh session).
Ding Jie, deputy director of the Nanjing Centers for Disease Control and Prevention, said that the recent increase in case reports is mainly due to the particularity of the place where the epidemic occurred and the strong contagion of the virus.
The most recently reported cases were found in high-risk personnel screening and sampling and testing at quarantine points, and very few were found in airport transit personnel screening and other methods. They were all related persons and close contacts of Lukou Airport.
Ding Jie introduced that the delta mutant strain that caused the epidemic has a strong spreading ability and a fast spreading speed.
The particularity of the place where the epidemic occurred has also led to a further expansion of the spread.
At the same time, because of the expansion of control and intensive screening at the current stage, cases are being detected as early as possible.
Ding Jie said that the early infection cases of this epidemic appeared among the cabin cleaning staff, and they spread rapidly among the cabin cleaning staff, and then caused the epidemic to spread further through social activities and work environment pollution.
"We managed the large number of close contacts and sub-close contacts that were traced through the investigation together. Through thorough inspections of these controlled populations, and inspections at different times every day, cases have been continuously discovered. Judging from the date of onset, the number of cases has risen very much yesterday. Fast, in line with the characteristics of the epidemic and spread of new coronary pneumonia." (End)