On December 12, Nehe City, Heilongjiang found 5 cases of positive initial screening in the nucleic acid detection of key populations, and they were transported to the designated hospital in Qiqihar City for further diagnosis.

Comprehensive research and judgment diagnosed 1 case as a confirmed case (common type) and 4 cases as asymptomatic infection.

From 6 o'clock on December 13th, the construction village of Changfa Town will be adjusted to a medium-risk area.

  After preliminary epidemiological investigations, the above-mentioned 5 persons are all villagers of Jianshe Village, Changfa Town, Nehe City. They are epidemiologically related to the asymptomatic infection reported in Nehe City on November 28. They have been managed according to key populations since the 28th.

Up to now, a total of 94 close contacts have been found, and 77 close contacts have been quarantined. Nucleic acid test results have all been negative.

Through the investigation, no close contacts, close contacts and villagers of the construction village were found. The 16 people who have left Changfa Town since November 28 were promptly pushed to their current residences.

On December 12, nucleic acid tests were performed overnight on 951 people in Jianshe Village, Changfa Town, Nehe City, and 5,822 people in other areas of Changfa Town, and the results were all negative.

  The details of the 5 cases of infection are as follows:

  Confirmed case 1: A villager in Jianshe Village, Changfa Town, Nehe City, has been vaccinated with 2 doses of new crown vaccine, and has performed 5 nucleic acid tests since November 28 (respectively on November 28, 29, 30, December 4, A nucleic acid test was performed on the 11th, and the first 4 tests were all negative).

He has never left the village since November 28.

  Asymptomatic infection 1: A villager in Jianshe Village, Changfa Town, Nehe City, the eldest daughter of confirmed case 1, has been vaccinated with 2 doses of new crown vaccine, and has carried out 5 nucleic acid tests since November 28 (respectively on November 28 and 29) Nucleic acid tests were carried out on December 4th and 11th, 30th, December 4th, and the first 4 tests were all negative).

He has not left the village since November 28.

  Asymptomatic infection 2: A villager in Jianshe Village, Changfa Town, Nehe City, the second daughter of confirmed case 1, has been vaccinated with 1 dose of new crown vaccine, and has carried out 5 nucleic acid tests since November 28 (respectively on November 28 and 29) , 30, December 4, 11 nucleic acid test, the first 4 tests were negative).

He has not left the village since November 28.

  Asymptomatic infection 3: A villager in Jianshe Village, Changfa Town, Nehe City, the husband of confirmed case 1, has been vaccinated with 2 doses of the new crown vaccine, and has carried out 5 nucleic acid tests since November 28 (respectively on November 28 and 29) , 30, December 4, 11 nucleic acid test, the first 4 tests were negative).

He has not left the village since November 28.

  Asymptomatic infection 4: Villagers in Jianshe Village, Changfa Town, Nehe City, have been vaccinated with 2 doses of new crown vaccine, and have performed 7 nucleic acid tests since November 28 (respectively on November 28, 29, 30, and December 2 On the 4th, 8th, and 11th, 7 nucleic acid tests were performed, and the first 6 tests were all negative).

He has not left the village since November 28.

(Headquarters reporter Wang Haiqiao)