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1.
ACS ES T Water ; 2022.
Article in English | PubMed Central | ID: covidwho-2096629

ABSTRACT

Ruili and Longchuan, two border counties in southwestern China, are facing epidemic control challenges due to the high rate of COVID-19 infections originating from neighboring Myanmar. Here, we aimed to establish the applicability of wastewater and environmental water surveillance of SARS-CoV-2 and conduct whole-genome sequencing (WGS) to trace the possible infection origin. In August 2021, total 72 wastewater and river water samples were collected from 32 sampling sites. SARS-CoV-2 ORF1ab and N genes were measured by RT-qPCR. We found that 19 samples (26.39%) were positive, and the viral loads of ORF1ab and N genes were 6.62 × 102–2.55×105 and 1.86 × 103–2.32 × 105 copies/L, respectively. WGS further indicated the sequences in two transboundary river samples, and one hospital wastewater sample belonged to the delta variant, suggesting that the infection source might be areas with high COVID-19 delta variant incidence in Southeast Asia (e.g., Myanmar). We reported for the first time the detection and quantification of SARS-CoV-2 RNA in the transboundary rivers of Myanmar–China. Our findings demonstrate that wastewater and environmental water may provide independent and nonintrusive surveillance points to monitor the global spread of emerging COVID-19 variants of concern, particularly in high-risk regions or border areas with considerable epidemic challenges and poor wastewater treatment facilities.

2.
2021 International Conference on Economic Innovation and Low-carbon Development, EILCD 2021 ; 275, 2021.
Article in English | Scopus | ID: covidwho-1284720

ABSTRACT

The status of SMEs in the national economy has become increasingly prominent, but due to the factors like their small scale, imperfect information disclosure, the problem of financing difficulty and high financing has always restricted the health of SMEs in China. This report takes Wuhan as an example, which is the earliest affected by the COVID epidemic, starting from the new financing difficulties and the development of banking business of SMEs in Wuhan under the background of the epidemic, explores the methods to guide the three parties of banks, enterprises and governments to improve services, so as to better play the role of alleviating the new financing pressure of SMEs, and puts forward some suggestions, such as promoting the interaction of government and banks' information, establishing an efficient punishment mechanism for enterprises' dishonesty, and strengthening the supervision A series of countermeasures and suggestions, such as accurate product service innovation of fast financial institutions, guiding the docking of supply chain and bill financing platform. These suggestions have important reference significance and practical reference value for better adapting to the new characteristics of financing in the post epidemic era and alleviating the financing pressure of SMEs. © The Authors, published by EDP Sciences, 2021.

3.
Ann Acad Med Singap ; 50(4):346-348, 2021.
Article in English | PubMed | ID: covidwho-1227328
4.
Chinese Journal of General Practitioners ; 19(5):383-387, 2020.
Article in Chinese | Scopus | ID: covidwho-1143633

ABSTRACT

Since the key point of prevention and control of new coronavirus infection (COVID-19) in the community is to block the spread, the centralized quarantine for close contacts with confirmed or suspected cases is the most effective way in breaking the chain of transmission. A community centralized quarantine site was set up by Fenglin Community Health Service Center for medical observation of close contacts. The detailed plan and management of the centralized quarantine site, and the implementation experiences are introduced in this article to provide reference for medical institutions involved in the prevention and control of COVID-19 epidemic. © 2020 Chinese Medical Association

5.
Clinical Infectious Diseases ; 71(11):2976-2980, 2020.
Article in English | Web of Science | ID: covidwho-1059931

ABSTRACT

In early-to-mid March 2020, 20 of 46 (43%) COVID-19 cases at a tertiary care hospital in San Francisco, California were travel related. Cases were significantly associated with travel to either Europe (odds ratio, 6.1) or New York (odds ratio, 32.9). Viral genomes recovered from 9 of 12 (75%) cases co-clustered with lineages circulating in Europe.

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