The Huludao epidemic virus strain is a delta variant, and a patient’s one-person transmission chain caused 65 infections
From 00:00 to 24:00 on February 23, Huludao City, Liaoning Province added 8 new confirmed cases of local new coronary pneumonia. From February 8 to 23, Huludao City reported a total of 167 local confirmed cases. Today (February 24), Huludao City held a press conference on epidemic prevention and control. Zhou Jiaoyang, deputy director of the Huludao Municipal Health and Health Commission, released the relevant epidemic prevention and control situation at the press conference: after a sample of confirmed cases The virus gene sequencing of Huludao City in this outbreak belongs to the delta variant. Through the epidemiological investigation and clinical symptom analysis of confirmed cases in Huludao City, the epidemic has the following characteristics:
One is the high viral load. Generally, the lower the detected CT value, the higher the viral load. The CT value of some confirmed cases in Huludao City is lower than 20, and the lowest is 6.5.
Second, it is highly disseminated. The transmission chain of a single patient caused 65 infections.
Third, the incubation period is long.
These characteristics have rarely appeared in the past new crown epidemics in Liaoning Province, which brought huge challenges to the prevention and control of the epidemic in Huludao. The source of the epidemic was identified within 36 hours and the control area was quickly delineated.
Source: CCTV News Client