Recently, dozens of local cases have appeared in Ruili, Yunnan Province. Most of them are asymptomatic. The epidemic is not far away from us.
China novel coronavirus pneumonia epidemic prevention and control report of Yunnan province was announced on 3 April 3rd, according to CCTV, fifth news conference April 3rd.The whole genome sequence of the new coronavirus in Ruili epidemic is highly homologous, and it belongs to b.1.36.16 evolutionary branch with the 28 genome sequences uploaded from gisad database in Myanmar. The virus that is highly suspected of causing Ruili epidemic is imported from Myanmar through human or object, and there is no correlation with the genome of the virus in other places in China, which indicates that it is not a recent domestic epidemic Secondary transmission caused by local epidemic.
The virus gene sequences of 14 cases were highly consistent, which indicated that the source of virus infection belonged to the same transmission source and the same transmission chain. The virus gene sequences of 10 cases were identical.
Through the analysis of the mutation site of the virus gene sequence in Ruili epidemic situation,The results showed that there were no amino acid key mutation sites of other new mutant strains found in the United Kingdom and South Africa.
It is reported that from 0:00 to 24:00 on April 2, there were 7 newly diagnosed cases in Yunnan Province (including 1 case of asymptomatic infection transferred to confirmed cases), 5 newly asymptomatic infections, and 1 newly confirmed case imported by air (imported from China and Cambodia).
As of 24:00 on April 2, there are 26 confirmed cases (3 imported from abroad and 23 local) and 53 asymptomatic infections (19 imported from abroad and 34 local) in Yunnan Province, all of which have been isolated and observed in designated medical institutions.
Since yesterday, the work of universal vaccination in Ruili City of Yunnan Province has been fully started, and 300000 people are planned to be vaccinated within five days. In order to speed up the vaccination, Ruili has set up 25 fixed vaccination points, which operate all day.
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