scholarly journals Characterization of Salmonella spp. isolated from small turtles and human in Republic of Korea

2020 ◽  
Vol 4 (1) ◽  
pp. 051-055
Author(s):  
Chae Su-Jin ◽  
Lim Jin-Suk ◽  
Lee Deog-Yong

In 2013, the World Health Organization (WHO) reported that small, pet turtles had caused multistate Salmonella outbreaks in the United States, from where small turtles were subsequently exported into the Republic of Korea. We investigated cases of salmonellosis in South Korea associated with domestic small turtles and analysed genetic characteristics of Salmonella isolates in commercially-available small turtles. We traced six Salmonella serovars, known to have caused human infection in the United States (S. Sandiego, S. Pomona, S. Poona, S. Newport, I 4,(5),12:i:-, and S. Typhimurium), in isolates from suspected Salmonella infection cases in Korea from 2006 to 2015. Additionally, we conducted a pilot study of isolates from small turtles being sold in Korean markets, and performed molecular genetic analysis on the identified strains. S. Pomona was identified in one Salmonella infection case, while all strains isolated from small turtles belonged to either subspecies I (enterica, n = 10, 71.4%) or subspecies IIIb (diarizonae, n = 4, 28.6%). Two serovars (S. Pomona and S. Sandiego) that were highly associated with turtle-to-human transmission were identified with 100% homology to human isolates. Previous to this study, turtle-associated human S. Pomona infections were not well reported in Korea. We report Salmonella infection in small turtles in Korea, and confirm that small turtles should be considered the first infectious agent in S. Pomona infection. We therefore suggest quarantine measures for importing small turtles be enhanced in Korea.

mBio ◽  
2012 ◽  
Vol 3 (4) ◽  
Author(s):  
Scott D. Kobayashi ◽  
James M. Musser ◽  
Frank R. DeLeo

ABSTRACT Staphylococcus aureus is a human commensal bacterium and a prominent cause of infections globally. The high incidence of S. aureus infections is compounded by the ability of the microbe to readily acquire resistance to antibiotics. In the United States, methicillin-resistant S. aureus (MRSA) is a leading cause of morbidity and mortality by a single infectious agent. Therapeutic options for severe MRSA infections are limited to a few antibiotics to which the organism is typically susceptible, including vancomycin. Acquisition of high-level vancomycin resistance by MRSA is a major concern, but to date, there have been only 12 vancomycin-resistant S. aureus (VRSA) isolates reported in the United States and all belong to a phylogenetic lineage known as clonal complex 5. To gain enhanced understanding of the genetic characteristics conducive to the acquisition of vancomycin resistance by S. aureus , V. N. Kos et al. performed whole-genome sequencing of all 12 VRSA isolates and compared the DNA sequences to the genomes of other S. aureus strains. The findings provide new information about the evolutionary history of VRSA and identify genetic features that may bear on the relationship between S. aureus clonal complex 5 strains and the acquisition of vancomycin resistance genes from enterococci.


2020 ◽  
Vol 9 (7) ◽  
Author(s):  
Ji Yeong Noh ◽  
Van Thi Lo ◽  
Young Ji Kim ◽  
Sun-Woo Yoon ◽  
Dae Gwin Jeong ◽  
...  

Cases of human infection with a swine influenza A virus variant have been reported in the United States, and since 2011, H3N2 variant viruses have also been regularly isolated from swine in the Republic of Korea. Here, we genetically characterized an influenza A H3N2 isolate (A/swine/P17-4/2017). BLASTN analysis of the 8 gene sequences revealed a high degree of nucleotide similarity (97.0 to 99.0%) to porcine strains circulating in the Republic of Korea and the United States. Specifically, we found a high degree of similarity in the nucleotide matrix gene to those of recent isolates from North Carolina.


2021 ◽  
pp. 104063872110234
Author(s):  
Hugh Y. Cai ◽  
Allison Cai

Large numbers of mink have been infected with SARS-CoV2 containing the spike protein Y453F mutation in Europe, causing zoonosis concerns. To evaluate the genetic characteristics of the U.S. and Canadian mink–derived SARS-CoV2 sequences, we analyzed all animal-derived (977) and all Canadian (19,529) and U.S. (173,277) SARS-CoV2 sequences deposited in GISAID from December 2019 to March 12, 2021, and identified 2 dominant novel variants, the N501T-G142D variant and N501T-G142D-F486L variant, in the U.S. mink–derived SARS-CoV2 sequences. These variants were not found in mink from Canada or other countries. The Y453F mutation was not identified in the mink-derived sequences in the United States and Canada. The N501T mutation occurred 2 mo earlier in humans than in mink in the United States, and the novel N501T-G142D and N501T-G142D-F486L variants were found in humans prior to mink. Our results suggest that the novel SARS-CoV2 variants may have evolved during human infection and were then transmitted to mink populations in the United States.


2000 ◽  
Vol 9 (1-2) ◽  
pp. 85-105
Author(s):  
Steven Hugh Lee

AbstractSince December 1997, the Democratic People’s Republic of Korea (DPRK), the People’s Republic of China (PRC), the Republic of Korea (ROK), and the United States have met in a series of talks aimed at promoting peace and stability on the Korean peninsula and in the region. According to a November 1998 U.S. Department of Defense report, the discussions have created a “diplomatic venue for reducing tensions and ultimately replacing the Armistice Agreement with a permanent peace settlement.”1 Amidst the tragic human suffering which has occurred in North Korea, there have been some encouraging developments on the peninsula. The 1994 Agreed Framework between the United States and North Korea placed international controls on North Korea’s atomic energy program and cautiously anticipated the normalization of U.S.-DPRK relations. Since assuming power in early 1998, South Korean President Kim Dae Jung has vigorously pursued a policy of engagement with P’yo¨ngyang, known as the “sunshine policy.” Over the past decade, North Korea has also reoriented its foreign policy. In the early 1990s, the regime’s social and economic crisis led to a rethinking of its autarkic economic system. By early 1994, the state had created new free trade zones and relatively open foreign investment laws.2 By complying with the Agreed Framework, the DPRK has also shown a willingness to work with the international community on sensitive issues affecting its internal sovereignty and ability to project power beyond its borders.


2021 ◽  
Vol 46 (4) ◽  
pp. 1-2
Author(s):  
Joseph Meaney ◽  

COVID-19 vaccine passports run the risk of creating a divided society where social privileges or restrictions based on “fitness” lead to discrimination based on immunization status. Individuals have a strong right to be free of coercion to take a COVID-19 vaccine, and we should be very leery of further invasion of private medical decisions. These concerns are shared both internationally and in the United States, and the World Health Organization, the Biden administration, and many US governors oppose COVID-19 vaccine credentials. In addition, regulations for COVID-19 vaccine credentials face practical barriers, including lack of access globally, especially among the poor; and lack of scientific data on the efficacy of these vaccines.


PEDIATRICS ◽  
1977 ◽  
Vol 60 (6) ◽  
pp. 797-804
Author(s):  
Myron E. Wegman

Data for this article, as in previous reports,1 are drawn principally from the Monthly Vital Statistics Report,2-5 published by the National Center for Health Statistics. The international data come from the Demographic Yearbook6 and the quarterly Population and Vital Statistics Report,7 both published by the Statistical Office of the United Nations, and the World Health Statistics Report,8 published by the World Health Organization. All the United States data for 1976 are estimates by place of occurrence based upon a 10% sample of material received in state offices between two dates, one month apart, regardless of when the event occurred. Experience has shown that for the country as a whole the estimate is very close to the subsequent final figures.


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