Dalian CDC: 24 cases of this outbreak infected people after more than 4 nucleic acid screening test positive

On the afternoon of January 7, Dalian held a press conference on epidemic prevention and control, Meng Jun, deputy director of the Dalian CDC, said that from December 15, 2020 to January 7, 2021, Dalian City reported 82 cases of local infection, January 6. No new infections have been reported so far, 31 cases of asymptomatic infection, according to the current address statistics Jinjin New District 79 cases, accounting for 96%, 5 key controlled streets, 69 cases in front of the station, accounting for 87% of the infection in Jinjin New Area.
analysis of this outbreak, there are the following characteristics.
, dissemination is hidden.
31, or 38 per cent, of the 82 infected, the early symptoms of the confirmed cases were not obvious.
patients in the current tone of self-reporting, before the body no obvious discomfort, or only headache, corrugated, fatigue and other symptoms, after a few days of rest symptoms alleviated.
with the increase in the number of infected people surveyed, it was confirmed that the outbreak had spread to a certain extent before the report was received on 15 December.
, the spread of a wide range.
the early clinical symptoms are not obvious, making the outbreak difficult to detect, resulting in a wider range of transmission.
first of all, the virus spread to the community through the owners and customers of the commercial buildings, resulting in a family cluster outbreak, and successively in the community, school hospitals have been reported infected.
, prevention and control is difficult.
the early outbreak of the Jinsha commercial building is densely staffed, mobile, but also coincides with winter, dry air, poor indoor ventilation conditions, these are conducive to the spread of the epidemic.
mainly distributed in 5 key controlled streets, a wide range of areas involving more communities, although the implementation of closed management on December 21, but the intensity and difficulty of implementation of the work are greater.
24 cases of infection in this outbreak have been detected after more than 4 nucleic acid screenings.
cases have an incubation period of more than 10 days, so the duration of this outbreak is longer.
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