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Ramzali M, Salimi V, Cheraghali F, Hosseini SD, Yasaghi M, Samadizadeh S, Rastegar M, Nakstad B, Tahamtan A. Epidemiology and clinical features of respiratory syncytial virus (RSV) infection in hospitalized children during the COVID-19 pandemic in Gorgan, Iran. Health Sci Rep 2024; 7:e1787. [PMID: 38186938 PMCID: PMC10764657 DOI: 10.1002/hsr2.1787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/30/2023] [Accepted: 12/12/2023] [Indexed: 01/09/2024] Open
Abstract
Background and Aims Respiratory syncytial virus (RSV) is a leading cause of acute respiratory infection in infants and young children. Given the altered circulation patterns of respiratory viruses during the coronavirus disease pandemic-2019 (COVID-19), the study aimed to evaluate epidemiology and clinical features of RSV infections in hospitalized children during the COVID-19 pandemic in Gorgan, northeastern Iran. Molecular epidemiology studies on respiratory viral infections are necessary to monitor circulating viruses, disease severity, and clinical symptoms, in addition to early warning of new outbreaks. Methods Overall, 411 respiratory swab samples from hospitalized children from October 2021 to March 2022 were collected at Taleghani Children's Hospital, Gorgan, Iran. The incidence of RSV, as well as the circulating subgroups and genotypes, were investigated and confirmed using PCR methods. Additionally, all samples tested for severe acute respiratory syndrome-associated coronavirus 2 (SARS-CoV-2) and influenza, and demographic and clinical data were analyzed using SPSS software. Results The share of RSV, SARS-CoV-2, and influenza among hospitalized children with acute lower respiratory infections (ALRI) were 27%, 16.5%, and 4.1%, respectively. The RSV subgroup A (genotype ON1) was dominant over subgroup B (genotype BA9), with more severe clinical symptoms. Compared with the prepandemic era there were high numbers of hospitalized SARS-CoV-2 positive children and low numbers of other respiratory viruses. Despite this, the prevalence of ALRI-related RSV-disease among hospitalized children in our specialized pediatric center was higher than COVID-19 disease in the same cohort. Conclusions Studying the epidemiology of respiratory viruses and determining the circulating strains can contribute to effective infection control and treatment strategies.
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Affiliation(s)
- Mahnaz Ramzali
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
| | - Vahid Salimi
- Department of Virology, School of Public HealthTehran University of Medical SciencesTehranIran
| | - Fatemeh Cheraghali
- Department of Pediatrics, School of Medicine, Taleghani Children's HospitalGolestan University of Medical SciencesGorganIran
| | - Seyedeh Delafruz Hosseini
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
| | - Mohammad Yasaghi
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
| | - Saeed Samadizadeh
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
| | - Mostafa Rastegar
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
| | - Britt Nakstad
- Department of Pediatric and Adolescent HealthUniversity of BotswanaGaboroneBotswana
- Division of Paediatric and Adolescent Medicine, Institute of Clinical MedicineUniversity of OsloOsloNorway
| | - Alireza Tahamtan
- Infectious Diseases Research CenterGolestan University of Medical SciencesGorganIran
- Department of Microbiology, School of MedicineGolestan University of Medical SciencesGorganIran
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Guo CY, Zhang Y, Zhang YY, Zhao W, Peng XL, Zheng YP, Fu YH, Yu JM, He JS. Comparative analysis of human respiratory syncytial virus evolutionary patterns during the COVID-19 pandemic and pre-pandemic periods. Front Microbiol 2023; 14:1298026. [PMID: 38111642 PMCID: PMC10725919 DOI: 10.3389/fmicb.2023.1298026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/07/2023] [Indexed: 12/20/2023] Open
Abstract
The COVID-19 pandemic has resulted in the implementation of strict mitigation measures that have impacted the transmission dynamics of human respiratory syncytial virus (HRSV). The measures also have the potential to influence the evolutionary patterns of the virus. In this study, we conducted a comprehensive analysis comparing genomic variations and evolving characteristics of its neutralizing antigens, specifically F and G proteins, before and during the COVID-19 pandemic. Our findings showed that both HRSV A and B exhibited an overall chronological evolutionary pattern. For the sequences obtained during the pandemic period (2019-2022), we observed that the HRSV A distributed in A23 genotype, but formed into three subclusters; whereas the HRSV B sequences were relatively concentrated within genotype B6. Additionally, multiple positively selected sites were detected on F and G proteins but none were located at neutralizing antigenic sites of the F protein. Notably, amino acids within antigenic site III, IV, and V of F protein remained strictly conserved, while some substitutions occurred over time on antigenic site Ø, I, II and VIII; substitution S389P on antigenic site I of HRSV B occurred during the pandemic period with nearly 50% frequency. However, further analysis revealed no substitutions have altered the structural conformations of the antigenic sites, the vial antigenicity has not been changed. We inferred that the intensive public health interventions during the COVID-19 pandemic did not affect the evolutionary mode of HRSV.
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Affiliation(s)
| | | | | | | | | | | | | | - Jie-mei Yu
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing, China
| | - Jin-sheng He
- College of Life Sciences and Bioengineering, Beijing Jiaotong University, Beijing, China
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Davina-Nunez C, Perez-Castro S, Cabrera-Alvargonzalez JJ, Montano-Barrientos J, Godoy-Diz M, Regueiro B. The Modification of the Illumina ® CovidSeq™ Workflow for RSV Genomic Surveillance: The Genetic Variability of RSV during the 2022-2023 Season in Northwest Spain. Int J Mol Sci 2023; 24:16055. [PMID: 38003246 PMCID: PMC10671726 DOI: 10.3390/ijms242216055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 10/27/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
There is growing interest in the molecular surveillance of the Respiratory Syncytial Virus and the monitorization of emerging mutations that could impair the efficacy of antiviral prophylaxis and treatments. A simple, scalable protocol for viral nucleic acid enrichment could improve the surveillance of RSV. We developed a protocol for RSV-A and B amplification based on the Illumina CovidSeq workflow using an RSV primer panel. A total of 135 viral genomes were sequenced from nasopharyngeal samples through the optimization steps of this panel, while an additional 15 samples were used to test the final version. Full coverage of the G gene and over 95% of the coverage of the F gene, the target of the available RSV antivirals or monoclonal antibodies, were obtained. The F:K68N mutation, associated with decreased nirsevimab activity, was detected in our facility. Additionally, phylogenetic analysis showed several sublineages in the 2022-2023 influenza season in Europe. Our protocol allows for a simple and scalable simultaneous amplification of the RSV-A and B whole genome, increasing the yield of RSV sequencing and reducing costs. Its application would allow the world to be ready for the detection of arising mutations in relation to the widespread use of nirsevimab for RSV prevention.
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Affiliation(s)
- Carlos Davina-Nunez
- Microbiology and Infectology Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), 36312 Vigo, Spain; (C.D.-N.); (J.J.C.-A.); (B.R.)
- Faculty of Biology, Universidade de Vigo, 36310 Vigo, Spain
| | - Sonia Perez-Castro
- Microbiology and Infectology Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), 36312 Vigo, Spain; (C.D.-N.); (J.J.C.-A.); (B.R.)
- Microbiology Department, Complexo Hospitalario Universitario de Vigo (CHUVI), Servizo Galego de Saúde (SERGAS), 36214 Vigo, Spain; (J.M.-B.); (M.G.-D.)
| | - Jorge Julio Cabrera-Alvargonzalez
- Microbiology and Infectology Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), 36312 Vigo, Spain; (C.D.-N.); (J.J.C.-A.); (B.R.)
- Microbiology Department, Complexo Hospitalario Universitario de Vigo (CHUVI), Servizo Galego de Saúde (SERGAS), 36214 Vigo, Spain; (J.M.-B.); (M.G.-D.)
| | - Jhon Montano-Barrientos
- Microbiology Department, Complexo Hospitalario Universitario de Vigo (CHUVI), Servizo Galego de Saúde (SERGAS), 36214 Vigo, Spain; (J.M.-B.); (M.G.-D.)
| | - Montse Godoy-Diz
- Microbiology Department, Complexo Hospitalario Universitario de Vigo (CHUVI), Servizo Galego de Saúde (SERGAS), 36214 Vigo, Spain; (J.M.-B.); (M.G.-D.)
| | - Benito Regueiro
- Microbiology and Infectology Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), 36312 Vigo, Spain; (C.D.-N.); (J.J.C.-A.); (B.R.)
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Ono T, Hashimoto K, Kume Y, Chishiki M, Okabe H, Sato M, Norito S, Aso J, Sada M, Mochizuki I, Mashiyama F, Ishibashi N, Suzuki S, Sakuma H, Suwa R, Kawase M, Takeda M, Shirato K, Kimura H, Hosoya M. Molecular Diversity of Human Respiratory Syncytial Virus before and during the COVID-19 Pandemic in Two Neighboring Japanese Cities. Microbiol Spectr 2023; 11:e0260622. [PMID: 37409937 PMCID: PMC10433803 DOI: 10.1128/spectrum.02606-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 06/20/2023] [Indexed: 07/07/2023] Open
Abstract
Human respiratory syncytial viruses (HRSVs) are divided into subgroups A and B, which are further divided based on the nucleotide sequence of the second hypervariable region (HVR) of the attachment glycoprotein (G) gene. Understanding the molecular diversity of HRSV before and during the coronavirus disease 2019 (COVID-19) pandemic can provide insights into the effects of the pandemic on HRSV dissemination and guide vaccine development. Here, we analyzed HRSVs isolated in Fukushima Prefecture from September 2017 to December 2021. Specimens from pediatric patients were collected at two medical institutions in neighboring cities. A phylogenetic tree based on the second HVR nucleotide sequences was constructed using the Bayesian Markov chain Monte Carlo method. HRSV-A (ON1 genotype) and HRSV-B (BA9 genotype) were detected in 183 and 108 specimens, respectively. There were differences in the number of HRSV strains within clusters prevalent at the same time between the two hospitals. The genetic characteristics of HRSVs in 2021 after the COVID-19 outbreak were similar to those in 2019. HRSVs within a cluster may circulate within a region for several years, causing an epidemic cycle. Our findings add to the existing knowledge of the molecular epidemiology of HRSV in Japan. IMPORTANCE Understanding the molecular diversity of human respiratory syncytial viruses during pandemics caused by different viruses can provide insights that can guide public health decisions and vaccine development.
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Affiliation(s)
- Takashi Ono
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Koichi Hashimoto
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Yohei Kume
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Mina Chishiki
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Hisao Okabe
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Masatoki Sato
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Sakurako Norito
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
| | - Jumpei Aso
- Department of Respiratory Medicine, Kyorin University School of Medicine, Tokyo, Japan
| | - Mitsuru Sada
- Department of Respiratory Medicine, Kyorin University School of Medicine, Tokyo, Japan
| | - Izumi Mochizuki
- Department of Pediatrics, Ohara General Hospital, Fukushima, Fukushima, Japan
| | - Fumi Mashiyama
- Department of Pediatrics, Hoshi General Hospital, Koriyama, Fukushima, Japan
| | - Naohisa Ishibashi
- Department of Pediatrics, Ohara General Hospital, Fukushima, Fukushima, Japan
| | - Shigeo Suzuki
- Department of Pediatrics, Ohara General Hospital, Fukushima, Fukushima, Japan
| | - Hiroko Sakuma
- Department of Pediatrics, Hoshi General Hospital, Koriyama, Fukushima, Japan
| | - Reiko Suwa
- Department of Virology 3, National Institute of Infectious Diseases, Tokyo, Japan
| | - Miyuki Kawase
- Department of Virology 3, National Institute of Infectious Diseases, Tokyo, Japan
| | - Makoto Takeda
- Department of Microbiology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazuya Shirato
- Department of Virology 3, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hirokazu Kimura
- Gunma Paz University, Graduate School of Health Sciences, Takasaki, Gunma, Japan
| | - Mitsuaki Hosoya
- Department of Pediatrics, Fukushima Medical University, Fukushima, Fukushima, Japan
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ON-1 and BA-IX Are the Dominant Sub-Genotypes of Human Orthopneumovirus A&B in Riyadh, Saudi Arabia. Genes (Basel) 2022; 13:genes13122288. [PMID: 36553555 PMCID: PMC9778264 DOI: 10.3390/genes13122288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/11/2022] Open
Abstract
Human orthopneumovirus (HOPV) is the major viral pathogen responsible for lower respiratory tract infections (LRTIs) in infants and young children in Riyadh, Saudi Arabia. Yet, predominant HOPV subtypes circulating in this region and their molecular and epidemiological characteristics are not fully ascertained. A total of 300 clinical samples involving nasopharyngeal aspirates (NPAs), throat swabs, and sputum were collected during winter seasons of 2019/2020 and 2021/2022 for HOPV subtyping and genotyping. Of the 300 samples, HOPV was identified in 55 samples (18.3%) with a distinct predominance of type A viruses (81.8%) compared to type B viruses (18.2%). Importantly, the ON1 strain of HOPV-A and BA-IX strain of HOPV-B groups were found to be responsible for all the infections. Sequence analysis revealed a duplication region within 2nd HVR of G protein gene of ON1 and BA-IX strains. This nucleotide duplication exerted a profound effect on protein length and affinity towards cell receptors. Further, these modifications may aid the HOPV in immune evasion and recurrent infections. Data from this study showed that ON-1 genotype of HOPV-A and BA-IX genotype of HOPV-B were dominant in Riyadh, Saudi Arabia. Further, a duplication of sequence within 2nd HVR of G protein gene was found.
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Alkharsah KR. The Scope of Respiratory Syncytial Virus Infection in a Tertiary Hospital in the Eastern Province of Saudi Arabia and the Change in Seasonal Pattern during and after the COVID-19 Pandemic. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58111623. [PMID: 36363580 PMCID: PMC9693047 DOI: 10.3390/medicina58111623] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/06/2022] [Accepted: 11/08/2022] [Indexed: 11/12/2022]
Abstract
Background and Objectives: Respiratory syncytial virus (RSV) is a major cause of morbidity and hospital admission due to respiratory tract infection among infants and young children. The current study aims to describe the prevalence and the seasonal pattern of RSV during the previous seven years. Materials and Methods: Clinical data and RSV antigen and PCR test results were collected from patients’ medical records at King Fahd Hospital of the University in the Eastern Province of Saudi Arabia between January 2015 and February 2022. Results: The overall percentage of RSV detection was 26.3% (336/1279) among the tested individuals. RSV infection was more common among children below five years and elderly above 60 years of age. Two-thirds of the cases required hospitalization. The average hospital stay due to RSV infection was 6.5 days (range 0−56 days). The rate of hospitalization was higher among infants and younger children and decreased with age (p-value < 0.001). RSV infection was more prevalent between August and February and decreased appreciably between March and July. The peak level of infection was during December and January. No RSV infections were reported during the COVID-19 pandemic and the following winter. The cases increased again in August 2021, with an unusual out-of-season peak. Conclusions: RSV infection is one of the important causes of morbidity and hospitalization among infants and young children in Saudi Arabia. The seasonal pattern of infection has changed after the COVID-19 pandemic, and the physicians should be aware that infection may happen currently at different times throughout the year.
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Affiliation(s)
- Khaled R Alkharsah
- Department of Microbiology, College of Medicine, Imam Abdulrahman Bin Faisal University (IAU), P.O. Box 1982, Dammam 31441, Saudi Arabia
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Lee YE, Choi OK, Bang SJ, Cho HG, Lee HK, Han BS, Lee SH, Cheng J, Cho JH, Suh JW. Molecular epidemiological study of the G protein of human respiratory syncytial virus detected in patients with acute respiratory infections in Gyeonggi Province, South Korea. J Med Virol 2021; 94:549-556. [PMID: 34730256 DOI: 10.1002/jmv.27431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/12/2021] [Accepted: 11/01/2021] [Indexed: 11/11/2022]
Abstract
To investigate the molecular characteristics of human respiratory syncytial virus (HRSV) detected in Gyeonggi Province from 2015/16 to 2017/18, 2331 specimens from patients with sporadic acute respiratory illness and 85 specimens from four HRSV outbreaks in the postpartum care center were analyzed by real-time reverse transcription PCR. HRSVs were detected in 97 of the 2416 (4.0%) specimens, and among the positive specimens, 38 (39.2%) were identified as HRSV-A and 59 (60.8%) as HRSV-B. During the study periods, HRSV-B predominated in all seasons, except in 2016/17 during which HRSV-A predominated. Depending on the age groups, HRSV prevalence was the highest in 0- to 2-year-old patients. Comparison of noninfected subjects with HRSV-infected subjects revealed that HRSV infection more frequently resulted in fever, nasal obstruction, and wheezing, although the frequency of sore throat was low; however, comparison of the symptoms between HRSV-A- and HRSV-B-infected patients revealed no significant differences in symptoms. Phylogenetic analysis showed that all HRSV-A patients had an ON1 genotype, and all HRSV-B patients had an BA9 genotype. These results provide a valuable reference regarding the circulating pattern and molecular characterization of HRSV. Continuous monitoring will be essential to detect newly emerging HRSV genotypes.
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Affiliation(s)
- Yea-Eun Lee
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Ok-Kyung Choi
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Seon-Jae Bang
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Han-Gil Cho
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Hyun-Kyung Lee
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Baek-Sang Han
- Team of Infectious Disease Investigation, Gyeonggi-Do Institute of Health and Environment, Suwon, Republic of Korea
| | - Sun-Hwa Lee
- Center of Laboratory Medicine, Seegene Medical Foundation, Seoul, Republic of Korea
| | - Jinhua Cheng
- Myongji Bioefficacy Research Center, Myongji University, Yongin, Republic of Korea
| | - Joo-Hyung Cho
- Myongji Bioefficacy Research Center, Myongji University, Yongin, Republic of Korea
| | - Joo-Won Suh
- Myongji Bioefficacy Research Center, Myongji University, Yongin, Republic of Korea
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