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Japanese Journal of Infectious Diseases

https://read.qxmd.com/read/36575026/vertical-transmission-rate-of-hiv-exposed-twin-pregnancies-and-associated-factors-in-west-bengal-india-a-retrospective-cohort-study
#21
JOURNAL ARTICLE
Suman Ganguly, Debjit Chakraborty, Sitikantha Banerjee, Falguni Debnath, Subrata Biswas, Agniva Majumdar, Shanta Dutta
Twin pregnancy is often associated with adverse obstetric outcomes. Mother to child transmission of HIV in twin pregnancy is less explored. The present study aimed to determine the risk of vertical transmission of HIV in HIV exposed twin pregnancy in comparison to singleton and to explore associated factors. We conducted a retrospective cohort study involving 348 HIV exposed babies (58 twin and 290 singleton) through systematic sampling from program database of West Bengal, India from April 2016 to March 2021...
December 28, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36575025/trends-of-mismatches-in-real-time-rt-pcr-assays-developed-by-the-national-institute-of-infectious-diseases-japan-for-omicron-variants-of-severe-acute-respiratory-syndrome-coronavirus-2
#22
JOURNAL ARTICLE
Kazuya Shirato, Makoto Ujike, Miyuki Kawase
The Omicron variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in late 2021 and gradually overtook the Delta variant, which was the predominant variant at that time. The Omicron variant has been consecutively replaced by related sublineages. The real-time RT-PCR assays developed by the National Institute of Infectious Diseases, Japan (i.e., the NIID-N2 and NIID-S2 assays) are the reference assays that have been used in Japan since the outbreak of SARS-CoV-2. To evaluate the applicability of the NIID assays for the Omicron variants, trends in the prevalence of nucleotide mismatches in the primer/probe sequences were traced using sequences registered in the Global Initiative on Sharing Avian Influenza Data database...
December 28, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36575024/surveillance-of-the-antimicrobial-susceptibility-and-molecular-characteristics-of-neisseria-gonorrhoeae-isolates-collected-in-changsha-china-from-2016-to-2021
#23
JOURNAL ARTICLE
Qianqin Yuan, Shiya Shi, Yufeng Dai, Mengjie Jiang, Ping Jiang, Danning Xu, Qinglin Liu, Chuanhao Jiang, Xinwu Guo, Hongzhi Chen, Lingli Tang
Antibiotic treatment is critical for gonorrhea-infected individuals and for preventing disease transmission. The aim of this study was to analyze the antimicrobial susceptibility and molecular epidemiological characteristics of Neisseria gonorrhoeae isolates in Changsha, China. A total of 271 N. gonorrhoeae isolates collected from clinical laboratories of two hospitals between 2016 and 2021 were analyzed for antimicrobial susceptibility using the agar dilution method. N. gonorrhoeae multi-antigen sequence typing (MG-MAST) was conducted for genotyping, and phylogenetic analysis was determined using porB and tbpB sequences...
December 28, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36575023/development-of-a-novel-positive-pressure-protective-suit-for-biosafety-level-4-laboratory-in-japan
#24
JOURNAL ARTICLE
Shintaro Shichinohe, Yasuteru Sakurai, Daisuke Hayasaka, Eri Yamada, Katsuaki Shinohara, Yohei Kurosaki, Kensuke Nakajima
Biosafety Level 4 (BSL-4) laboratories are necessary to study microorganisms that are highly pathogenic to humans and have no prevention or therapeutic measures. Currently, most BSL-4 facilities have suit-type laboratories to conduct experiments on highly pathogenic microorganisms. In 2021, the first Japanese suit-type BSL-4 laboratory was constructed at Nagasaki University. Positive pressure protection suit (PPPS) is a primary barrier that protect and isolate laboratory workers from pathogens and the laboratory environment...
December 28, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450577/biofilm-production-ability-of-streptococcus-dysgalactiae-subsp-equisimilis-relatedness-with-host-lancefield-group-source-clonal-complex-and-virulence-associated-gene
#25
JOURNAL ARTICLE
Takahiro Maeda, Yoshiko Takayama, Mieko Goto, Haruno Yoshida, Tomohiro Fujita, Yuzo Tsuyuki, Takashi Takahashi
We assessed biofilm production ability (BPA) of noninvasive Streptococcus dysgalactiae subsp. equisimilis (SDSE) from humans/companion animals and determined relationships between BPA populations and other host/microbiological features. Sixty-four companion animal-/human-origin isolates were collected with host information. We measured BPA using crystal violet staining, along with doing emm typing, multilocus sequence typing, and antimicrobial resistance (AMR) phenotyping/genotyping, and detection of virulence-associated genes (VAGs) (prtF1-prtF2-lmb-cbp-sicG-srtp1-srtp2-brpA)...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450576/workflow-for-identification-of-burkholderia-pseudomallei-clinical-isolates-in-myanmar
#26
JOURNAL ARTICLE
Nay Myo Aung, Khine Khine Su, Narisara Chantratita, Chanwit Tribuddharat
Burkholderia pseudomallei, the highly infectious causative organism of melioidosis, was first discovered in Myanmar in 1911. The identification of B. pseudomallei was elucidated in Myanmar because of its genetic relatedness among Burkholderia species. In this study, we identified 2 isolates of Burkholderia cenocepacia, 2 Acinetobacter baumannii complex, and 18 clinical isolates of B. pseudomallei by Vitek 2. These isolates were first screened with a latex agglutination test, which showed positive results in 20 of 22 isolates...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450575/molecular-epidemiology-of-penicillinase-producing-neisseria-gonorrhoeae-isolates-and-their-bla-tem-135-gene-variant-in-bangkok-thailand-2015-2017
#27
JOURNAL ARTICLE
Natakorn Nokchan, Perapon Nitayanon, Chanwit Tribuddharat
Penicillinase-producing Neisseria gonorrhoeae (PPNG) possessing blaTEM-135 is a serious public health threat. With only a single change in amino acid sequence, blaTEM-135 could evolve into TEM-type extended-spectrum beta-lactamase (ESBL), which hydrolyzes extended-spectrum cephalosporins, including ceftriaxone and cefixime. We investigated the molecular epidemiological characteristics, types of plasmids of PPNG isolates, and prevalence of PPNG clinical isolates producing TEM-135 beta-lactamases. N. gonorrhoeae multiantigen sequence typing (NG-MAST) was used to determine the molecular epidemiological characteristics of 99 PPNG isolates collected from 2015 to 2017...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450574/plastic-bronchitis-of-human-bocavirus-1-detected-by-comprehensive-polymerase-chain-reaction-of-mucus-casts
#28
JOURNAL ARTICLE
Hiroki Yabushita, Shogo Otake, Shun Iida, Harutaka Katano, Tadaki Suzuki, Masashi Kasai
Plastic bronchitis (PB) is a rare and severe respiratory disease characterized by the formation of branching mucus casts, resulting in airway obstruction. PB can be divided into two types. Type 1 PB is primarily due to inflammatory casts caused by allergic diseases. In type 2 PB, mucinous casts are produced in association with congenital heart diseases. PB is also associated with viral respiratory infections, particularly influenza A (H1N1) pdm09 virus, which is the most common pathogen affecting pediatric patients...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450573/pediatric-invasive-aspergillosis-a-retrospective-review-of-59-cases
#29
JOURNAL ARTICLE
Seval Özen, Halil Özdemir, Esra Çakmak Taşkin, Gül Arga, Hatice Kübra Konca, Hasan Fatih Çakmakli, Şule Haskoloğlu, Emel Okulu, Handan Dinçaslan, Elif Ince, Talia Ileri, Nurdan Taçyildiz, Figen Doğu, Ebru Evren, Ebru Us, Zeynep Ceren Karahan, Suat Fitöz, Tanıl Kendirli, Zarife Kuloğlu, Ercan Tutar, Aydan Ikincioğullari, Emel Ünal, Mehmet Ertem, Erdal Ince, Ergin Çiftçi
Invasive aspergillosis (IA) is an important cause of morbidity and mortality. In this study, we aimed to present our 10-year IA experience in a single center. Fifty-nine pediatric patients diagnosed with IA were included in the study. The male/female ratio of these patients was 42/17. The median age was 8.75 years. Hematologic malignancy was present in the majority of the patients (40/59, 68%). The mean duration of neutropenia was 18.5 days. Cytosine arabinoside was the most common immunosuppressive therapy directed at T-cells at the time of IA diagnosis...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450572/early-warning-models-for-predicting-severity-in-febrile-and-non-febrile-stages-of-hemorrhagic-fever-with-renal-syndrome
#30
JOURNAL ARTICLE
Hongmei Chen, Jiaqi Huang, Jiali Zhang, Wenge Wang, Yingren Zhao, Zhenhui Lu, Zhijie Zhang, Tianyan Chen
The treatment of severe hemorrhagic fever with renal syndrome (HFRS) cases is difficult.We lack an early warning model for severe HFRS patients today. We retrospectively collected the data of 235 HFRS patients from January 2013 to December 2019, as well as 394 laboratory indicators. The multivariate logistic regression model was used to construct an early warning model for severe disease. The accuracy of the model was evaluated based on the area under the receiver operating characteristic (ROC) curve. The area under curve (AUCs) of the early warning models both exceeded 0...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450571/etiology-and-clinical-features-of-bacterial-meningitis-in-adults-at-national-hospital-for-tropical-diseases-period-2015-2018
#31
JOURNAL ARTICLE
Ha Thanh Bui, Viet Huu Hoang, Toan Van Ngo, Huy Vu Bui
To evaluate the etiology and clinical features of bacterial meningitis (BM) in adults during the period 2015-2018 in Vietnam, a retrospective study was performed at the National Hospital of Tropical Diseases. 102 patients were identified. BM occurred year-round, peaked in July - September, male was 80.4%, over 40 years old accounted for 80.4%. The proportion of patients with underlying diseases was 41.2%, contact with pigs or pork products was 30.4%. Common manifestations were stiff neck, kernig, headache, fever/hypothermia, and altered consciousness...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36450570/isolation-of-genotypes-1-and-3-of-japanese-encephalitis-virus-in-kochi-japan
#32
JOURNAL ARTICLE
Kiyohiko Matsui, Miyuki Yamaya, Mina Takase, Koichi Morita, Shigeru Tajima, Chang-Kweng Lim, Masayuki Saijo, Masanori Daibata, Seiji Nagayasu, Tomohiko Takasaki
Japanese encephalitis virus (JEV) is a mosquito-borne virus belonging to the JEV serocomplex within the genus Flavivirus, family Flaviviridae. JEV is divided into five genotypes, G1 to G5, based on the envelope (E) protein nucleotide sequence. JEV G3 circulated in Japan until the early 1990s when it was replaced by G1. However, JEV G3 was isolated from swine serum samples (sw/Kochi/1/2004) in Kochi Prefecture, western Japan in 2004. In addition, 2018 isolates from pigs and cows (sw/Kochi/492/2018 and bo/Kochi/211/2018) in the same prefecture were identified as G3...
November 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/35908872/monomicrobial-necrotizing-fasciitis-and-sepsis-caused-by-pseudomonas-aeruginosa-and-pseudomonas-fluorescens-a-series-of-ten-cases
#33
JOURNAL ARTICLE
Jiun-Liang Chen, Tsung-Yu Huang, Liang Tseng Kuo, Kuo-Chin Huang, Yao-Hung Tsai
Monomicrobial necrotizing fasciitis caused by Pseudomonas species is a rare infection. This study aimed to elucidate the specific characteristics and clinical outcomes of necrotizing fasciitis caused by Pseudomonas aeruginosa and Pseudomonas fluorescens. Ten patients with monomicrobial necrotizing fasciitis caused by Pseudomonas species were retrospectively reviewed in an 8-year period. Differences in mortality, patient characteristics, clinical presentation, laboratory data, and clinical outcomes were compared between the death and survival groups...
November 22, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36310046/description-of-antimicrobial-resistance-patterns-at-the-national-institute-of-hygiene-of-lome-in-togo
#34
JOURNAL ARTICLE
Gnatoulma Katawa, Adodo Sadji, Gérard Akouétévi Toudji, Kossi Touglo, Pélagie Edlom Tchadié, Manuel Ritter, Wemboo Halatoko, Christèle Nguepou Tchopba, Marthe Oukoé Amessoudji, Marijo Parcina, Achim Hoerauf, Damintoti Simplice Karou, Yaovi Ameyapoh
The monitoring of antimicrobial resistance is becoming a priority mainly in developing countries in order to control the emergence of multi-resistant bacteria strains. This study evaluated the antibiotic resistance profile of bacteria isolated at the National Institute of Hygiene in Togo. Lab records from January 2013 to December 2015 were examined. A total of 33,147 samples were analyzed. Among them, vaginal swabs and urines were more represented with 38.17% and 33.24% respectively. 3,497 Gram-positive and 1,970 Gram-negative bacterial strains were cultured...
October 31, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184399/droplets-adhesion-to-surgical-masks-during-standard-oral-surgery
#35
JOURNAL ARTICLE
Hisato Yoshida, Akira Makino, Ayaka Yamaguchi, Shinpei Matsuda, Ippei Sakamaki, Hitoshi Yoshimura, Hiromichi Iwasaki
The most common routes of transmission of coronavirus disease 2019 are droplet and contact infections. During dental treatment, many instruments are used that generate droplets of saliva and blood. Several droplets are generated during extraction of an impacted third molar (M3). Surgical masks are often used during tooth extraction; however, the surface structure of surgical masks against droplets is not fully understood. Therefore, we analyzed the droplets adhered to surgical masks during impacted M3 extraction using electron microscopy...
September 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184398/identification-of-three-novel-genes-in-phenuiviridae-detected-from-aedes-mosquitoes-in-hokkaido-japan
#36
JOURNAL ARTICLE
Leo Uchida, Yoshimi Sakurai, Makoto Shimooka, Ronald Enrique Morales-Vargas, Katsuro Hagiwara, Yasukazu Muramatsu
Mosquitoes are an important arthropod vector of arboviruses. Family Phenuiviridae includes several medically important arboviruses, such as Rift Valley fever phlebovirus and Toscana phlebovirus. Recent comprehensive genetic analyses identified many novel mosquito-specific viruses that are phylogenetically related to Phenuiviridae. We collected mosquitoes in Hokkaido, northern Japan, and conducted reverse transcription polymerase chain reactions (RT-PCRs) targeting the RNA-dependent RNA polymerase (RdRp) gene of Phenuiviridae...
September 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184397/edwardsiella-tarda-is-an-important-causative-agent-of-maternal-fetal-infections-in-pregnant-women-a-case-report-and-japanese-literature-review
#37
JOURNAL ARTICLE
Masamune Higashigawa, Mitsue Ito, Yuji Nashida
We present a case study of a 6-day-old male infant who was referred to our hospital for fever, jaundice, and poor suckling, and was diagnosed with meningitis due to Edwardsiella tarda. We were able to detect E. tarda DNA after performing broad-range polymerase chain reaction targeting the bacterial 16S rRNA gene followed by a basic local alignment search tool analysis of the DNA extracted from the cerebrospinal fluid. Further, a Japanese literature review showed that E. tarda caused perinatal invasive infections to mothers and infants and the risk of fetal meningitis might be related to the food preference of Japanese people for raw fish...
September 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184396/sars-cov-2-antibody-response-to-symptoms-indicative-of-covid-19-in-a-non-infected-population-in-japan-a-cross-sectional-study
#38
JOURNAL ARTICLE
Shiori Tanaka, Jun Umezawa, Taiki Yamaji, Sarah K Abe, Akinobu Hamada, Osamu Kobayashi, Toshikazu Ushijima, Manami Inoue
This study aimed to investigate the difference in antibody titers indicative of the presence of SARS-CoV-2 between those who had experienced symptoms of Coronavirus Disease of 2019 (COVID-19) infection and those who had never shown symptoms. The study used data from a cross-sectional survey conducted at the National Cancer Center Japan in 434 individuals who reported no previous infection with COVID-19. Participants provided self-reported symptoms beginning from the start of 2020. A generalized linear model was used to compare the mean SARS-CoV-2-specific IgG nucleocapsid protein (N-IgG) titer with estimated confidence intervals (CI) according to the onset of symptoms indicative of COVID-19...
September 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184395/molecular-and-epidemiological-analysis-of-respiratory-syncytial-virus-detected-in-tokyo-japan-in-2021-season
#39
JOURNAL ARTICLE
Fumi Kasuya, Kohji Mori, Sachiko Harada, Ryota Kumagai, Ai Suzuki, Arisa Amano, Tomohiro Kosugi, Michiya Hasegawa, Mami Nagashima, Jun Suzuki, Kenji Sadamasu
During the COVID-19 pandemic in 2021, Japan experienced an outbreak of respiratory syncytial virus (RSV) infection. A total of 51 RSV cases were detected from the infant specimens, including 38 rhinorrhea and 13 nasopharyngeal swabs, collected at the Tokyo Metropolitan Institute of Public Health. Of these 51 cases, 12 belonged to RSV-A and 39 to RSV-B. G protein gene sequences of RSV-A belonged to the ON1 genotype, whereas RSV-B belonged to the BA9 genotype; thus, different types of RSV were detected during the same period, suggesting that the unusual 2021 RSV season was not due to a single strain or genotype...
September 30, 2022: Japanese Journal of Infectious Diseases
https://read.qxmd.com/read/36184394/profile-of-chikungunya-patients-with-ophthalmological-manifestations-in-a-reference-center-in-brazil
#40
JOURNAL ARTICLE
Milenna Chaves Machado, Lorena Andrade de Moraes, Thais Ribeiro Maia, Juliana de Lucena Martins Ferreira, Luciano Pamplona de Goes Cavalcanti, Pedro Javier Yugar Rodriguez
To evaluate the profile of ophthalmological manifestations of patients affected by chikungunya accompanied in the ophthalmology service of a reference center in the Northeast region of Brazil. A retrospective study, whose data collection was carried out between August 2018 and March 2019, covering the medical records of patients attended in the Leiria de Andrade Foundation (FLA) who presented ocular manifestations and who had a history of prior Chikungunya Virus (CHIKV) involvement. 230 patients participated in this study, with a prevalence of females (71...
September 30, 2022: Japanese Journal of Infectious Diseases
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