Article
Infectious Diseases
Qiao Tang, Zhiwei Chen, Hu Li, Li Zhang, Mingli Peng, Yi Zeng, Xiaoqing Liu, Zubi Liu, Peng Hu
Summary: This study investigated the distribution of HCV genotypes in Chinese mainland and performed phylogenetic analysis to provide an up-to-date understanding of the molecular epidemiology of genotypes.
INFECTIOUS DISEASES OF POVERTY
(2023)
Article
Agriculture, Dairy & Animal Science
Gyu-Nam Park, SeEun Choe, Ra Mi Cha, Jihye Shin, Ki-Sun Kim, Byung-Hyun An, Song-Yi Kim, Bang-Hun Hyun, Dong-Jun An
Summary: The study reveals that G6P[5] genotype of bovine group A rotavirus is the main causative agent of diarrhea in Korean calves, replacing the previously dominant G8P[7] genotype.
Article
Virology
Hung-Da Tung, Pei-Lun Lee, Jyh-Jou Chen, Hsing-Tao Kuo, Ming-Jen Sheu, Chun-Ta Cheng, Tang-Wei Chuang, Hsu-Ju Kao, Yu-Hsun Wu, Mai-Gio Pang, Cheng-Heng Lin, Chia-Yi Hou, Hsin-Hua Tsai, Li-Ching Wu, Chuan Lee
Summary: A study found a high prevalence of Hepatitis C virus genotype 6 in Tainan City, southern Taiwan, mainly due to a novel 6g-related subtype and 6w subtype, which may be indigenous in Tainan with specific geographic distribution.
Article
Agriculture, Dairy & Animal Science
Shuqi Xu, Xinhao Mu, Xin Xu, Congying Bi, Jun Ji, Yunchao Kan, Lunguang Yao, Yingzuo Bi, Qingmei Xie
Summary: This study analyzed 23 complete genomes of Chinese strains of duck hepatitis B virus (DHBV) and predicted and analyzed their recombinant events. These data aid in understanding the intergenotypic recombination of HBV and are expected to promote further research on the epidemiology and evolution of DHBV.
Article
Medicine, General & Internal
Xue-Di Cheng, Hua-Feng Xu, Feng Wei, Li-Xin Jiang, Hai-Zhou Zhou
Summary: This study revealed a higher recombination rate (23%) among HCV patients in Heilongjiang Province, China, with the unique finding of the 2a/1b recombinant in the 5'UTR, E1, and NS5B regions.
Article
Virology
Ryuichi Sugiyama, Osamu Takahara, Yuichiro Yahata, Kazuhiko Kanou, Mami Nagashima, Tomoko Kiyohara, Tian-Cheng Li, Yuzo Arima, Hiroto Shinomiya, Koji Ishii, Masamichi Muramatsu, Ryosuke Suzuki
Summary: Hepatitis E virus (HEV) has emerged as a major cause of acute hepatitis in Japan. A comprehensive surveillance and molecular characterization study conducted from 2014 to 2021 revealed that 88% of the reported HEV cases were domestic infections, with only 4.1% attributed to infections abroad. The majority of domestic cases occurred in males aged in their 40s-70s and were commonly associated with pork meat consumption. Genetic analysis indicated that Genotype 3a (G3a) and G3b were the predominant strains circulating in Japan, while cases of Genotype 1 (G1) HEV were mainly linked to infections acquired abroad. Continued surveillance is crucial to monitor the epidemiology of HEV in Japan.
JOURNAL OF MEDICAL VIROLOGY
(2023)
Article
Virology
Ming Jie Lim, Zhi Yang Loh, Hui Ling Yeo, Surya Pavan Yenamandra, Marcella Kong, Hao Yang Pang, Meng Han Lee, Mahathir Humaidi, Cliff Chua, Jane Griffiths, Lee Ching Ng, Hapuarachchige Chanditha Hapuarachchi, Diyar Mailepessov
Summary: This study reports the genetic characterization and first isolation of JEV from mosquito pools in Singapore. The findings indicate the presence of genotype I of JEV and suggest multiple introductions and potential establishment of an enzootic cycle in the local fauna.
Article
Microbiology
Rayana Maryse Toye, Damien Cohen, Flor Helene Pujol, Amina Sow-Sall, Gora Lo, Kunikazu Hoshino, Masashi Mizokami, Fabien Zoulim, Maud Lemoine, Coumba Toure-Kane, Isabelle Chemin
Summary: This study characterized HBV isolates from West African patients and proposed a more advanced classification of subgenotype A, revealing an expanding evolution of HBV subgenotype A and novel amino acid motifs. The research highlighted the need for consensus regarding the analysis and classification of HBV sequences.
Article
Immunology
Yuanyuan Jia, Xiu Zou, Wei Yue, Jin Liu, Ming Yue, Yang Liu, Li Liu, Peng Huang, Yue Feng, Xueshan Xia
Summary: The prevalence of HCV subtypes 3a and 3b is rapidly increasing in Yunnan, China, with a high level of infection attributed to increased drug use. This highlights the importance of implementing more stringent preventative and therapeutic measures to curb the spread of the virus.
FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY
(2023)
Article
Agriculture, Dairy & Animal Science
Mohammed A. Rohaim, Rania F. El Naggar, Mohammed A. AbdelSabour, Basem A. Ahmed, Mohamed M. Hamoud, Kawkab A. Ahmed, Osama K. Zahran, Muhammad Munir
Summary: This study identified the causative agent of duck viral hepatitis through viral and molecular detection, isolating the causative virus in embryonated duck eggs with complete genome sequencing. The isolates clustered with Chinese duck hepatitis virus 1, potentially aiding in new vaccine manufacturing and more sensitive diagnostic assays. The study also highlighted the importance of DHAV surveillance and re-evaluation of currently used vaccines against newly detected isolates.
Article
Public, Environmental & Occupational Health
Bingzhe Li, Abram L. Wagner, Yujian Song, Xiangxiang Chen, Yihan Lu
Summary: This study describes the global distribution of hepatitis E virus genotype 4 (HEV-4) and its subtypes. The majority of HEV-4 sequences were isolated in China, Japan, Hong Kong, and France, with swine as the predominant animal host. The prevalence of HEV-4 subtypes varied over time, and high nucleotide similarities were observed between sequences from the same region and similar animal hosts.
ZOONOSES AND PUBLIC HEALTH
(2022)
Article
Infectious Diseases
Takumi Harada, Haruki Komatsu, Ayano Inui, Tomoyuki Tsunoda, Takuji Hashimoto, Tomoo Fujisawa
Summary: This study observed detectable HBV DNA in the nails and hair of children with acute HBV infection, which became undetectable after serum HBV DNA decreased during treatment. The sequence analysis showed the same HBV genotype in serum, nails, and hair for each case, indicating a potential link between HBV viral presence in different body parts.
JOURNAL OF INFECTION AND CHEMOTHERAPY
(2022)
Article
Infectious Diseases
Bibigul S. Ilyassova, Balzhan Abzhaparova, Dariga S. Smailova, Aidos Bolatov, Bolatbek Baymakhanov, Vyacheslav Beloussov, Maxim Solomadin, Kunsulu Shamsivaliyeva, Gulnara Alpysbayava, Gaukhar Issakova, Joanna Granica, Dina Mukushkina, Inkar Y. Sagatov, Shokan Kaniyev
Summary: This study investigated the molecular epidemiology of HBV and HDV in Kazakhstan for the first time. The results showed that HBV is mainly represented by genotype D, followed by genotypes A and C, while all HDV samples belonged to genotype 1. These findings contribute to the understanding of global viral epidemiology and have potential implications for public health policy and clinical research on chronic hepatitis in Kazakhstan.
BMC INFECTIOUS DISEASES
(2023)
Article
Immunology
Gani Asa Dudin, Ibrahim M. M. Aziz, Rasha M. M. Alzayed, Anwar Ahmed, Tajamul Hussain, Ali M. M. Somily, Muslim M. M. Alsaadi, Fahad N. N. Almajhdi
Summary: The presence of a large foreign workforce and the annual pilgrimage in Saudi Arabia has contributed to the emergence and diversity of respiratory viruses. This study focused on the H3N2 subtype of influenza A virus (IAV) in clinical samples from Riyadh, Saudi Arabia. The analysis revealed amino acid substitutions in the H3N2 strains that were not present in the current vaccine strains, emphasizing the need for regular monitoring of vaccine efficacy and the potential for designing novel and population-based vaccines.
Article
Virology
Jian-Yong Wu, Xiao-Xiao Meng, Yu-Rong Wei, Hongduzi Bolati, Eric H. Y. Lau, Xue-Yun Yang
Summary: This study found that farmed wild boars had a higher prevalence of HEV infection compared to feral wild boars, and the seropositivity increased with age. These findings suggest that farms may contribute to the amplification and potential zoonotic transmission of HEV, and further assessment of the risk associated with rearing and consumption of farmed wild boars is needed.