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Biagini D, Oliveri P, Baj A, Gasperina DD, Ferrante FD, Lomonaco T, Ghimenti S, Lenzi A, Bonini A, Vivaldi F, Oger C, Galano JM, Balas L, Durand T, Maggi F, Di Francesco F. The effect of SARS-CoV-2 variants on the plasma oxylipins and PUFAs of COVID-19 patients. Prostaglandins Other Lipid Mediat 2023; 169:106770. [PMID: 37633481 DOI: 10.1016/j.prostaglandins.2023.106770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 08/28/2023]
Abstract
Oxylipins are important signalling compounds that are significantly involved in the regulation of the immune system and the resolution of inflammation. Lipid metabolism is strongly activated upon SARS-CoV-2 infection, however the modulating effects of oxylipins induced by different variants remain unexplored. Here, we compare the plasma profiles of thirty-seven oxylipins and four PUFAs in subjects infected with Wild-type, Alpha (B.1.1.7), Delta (B.1.617.2), and Omicron (B.1.1.529) variants. The results suggest that oxidative stress and inflammation resulting from COVID-19 were highly dependent on the SARS-CoV-2 variant, and that the Wild-type elicited the strongest inflammatory storm. The Alpha and Delta variants induced a comparable lipid profile alteration upon infection, which differed significantly from Omicron. The latter variant increased the levels of pro-inflammatory mediators and decreased the levels of omega-3 PUFA in infected patients. We speculate that changes in therapeutics, vaccination, and prior infections may have a role in the alteration of the oxylipin profile besides viral mutations. The results shed new light on the evolution of the inflammatory response in COVID-19.
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Affiliation(s)
- Denise Biagini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy.
| | | | - Andreina Baj
- Department of Medicine and Technological Innovation, University of Insubria, Varese, Italy
| | | | | | - Tommaso Lomonaco
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy
| | - Silvia Ghimenti
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy
| | - Alessio Lenzi
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy
| | - Andrea Bonini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy
| | - Federico Vivaldi
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy
| | - Camille Oger
- Institut des Biomolécules Max Mousseron (IBMM), Pôle Chimie Balard Recherche, University of Montpellier, ENSCN, UMR 5247 CNRS, France
| | - Jean-Marie Galano
- Institut des Biomolécules Max Mousseron (IBMM), Pôle Chimie Balard Recherche, University of Montpellier, ENSCN, UMR 5247 CNRS, France
| | - Laurence Balas
- Institut des Biomolécules Max Mousseron (IBMM), Pôle Chimie Balard Recherche, University of Montpellier, ENSCN, UMR 5247 CNRS, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron (IBMM), Pôle Chimie Balard Recherche, University of Montpellier, ENSCN, UMR 5247 CNRS, France
| | - Fabrizio Maggi
- Laboratory of Virology, National Institute for Infectious Diseases "Lazzaro Spallanzani" - IRCCS, Rome, Italy
| | - Fabio Di Francesco
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa, Italy.
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2
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Piralla A, Mojoli F, Pellegrinelli L, Ceriotti F, Valzano A, Grasselli G, Gismondo MR, Micheli V, Castelli A, Farina C, Arosio M, Lorini FL, Fanti D, Busni A, Laratta M, Maggi F, Novazzi F, Cabrini L, Callegaro AP, Keim R, Remuzzi G, Cavallero A, Malandrin SMI, Rona R, Giardina F, Ferrari G, Zavaglio F, D'angelo P, Galli C, Bubba L, Binda S, Oggioni M, Uceda Renteria SC, Bono P, Baj A, Ferrante FD, Guarneri D, Tonelli M, Napolitano G, Nava A, Romeo L, Nicolini E, Valaperta R, Varisano L, Mele C, Liguori L, Raggi M, Mongodi S, Pagani M, Severgnini P, Gasberti D, Bonanomi E, Gritti P, Marrazzo F, Giovannini I, Sacchi N, Sagliocco O, Cereda D, Buoro S, Baldanti F, Pariani E. Impact of SARS-CoV-2 Omicron and Delta variants in patients requiring intensive care unit (ICU) admission for COVID-19, Northern Italy, December 2021 to January 2022. Respir Med Res 2023; 83:100990. [PMID: 36871459 PMCID: PMC9984278 DOI: 10.1016/j.resmer.2023.100990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 03/06/2023]
Abstract
This multicenter observational study included 171 COVID-19 adult patients hospitalized in the ICUs of nine hospitals in Lombardy (Northern Italy) from December, 1st 2021, to February, 9th 2022. During the study period, the Delta/Omicron variant ratio of cases decreased with a delay of two weeks in ICU patients compared to that in the community; a higher proportion of COVID-19 unvaccinated patients was infected by Delta than by Omicron whereas a higher rate of COVID-19 boosted patients was Omicron-infected. A higher number of comorbidities and a higher comorbidity score in ICU critically COVID-19 inpatients was positively associated with the Omicron infection as well in vaccinated individuals. Although people infected by Omicron have a lower risk of severe disease than those infected by Delta variant, the outcome, including the risk of ICU admission and the need for mechanical ventilation due to infection by Omicron versus Delta, remains uncertain. The continuous monitoring of the circulating SARS-CoV-2 variants remains a milestone to counteract this pandemic.
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Affiliation(s)
- Antonio Piralla
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
| | - Francesco Mojoli
- Anaesthesia and Intensive Care, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Laura Pellegrinelli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Ferruccio Ceriotti
- Clinical Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Antonia Valzano
- Clinical Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giacomo Grasselli
- Department of Anesthesia, Critical Care and Emergency, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Milan, Italy
| | - Maria Rita Gismondo
- Laboratory of Clinical Microbiology, Virology and Bioemergencies, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Valeria Micheli
- Laboratory of Clinical Microbiology, Virology and Bioemergencies, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Antonio Castelli
- Division of Anesthesiology and Intensive Care, ASST Fatebenefratelli Sacco, Milan, Italy
| | - Claudio Farina
- Microbiology and Virology Laboratory, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Marco Arosio
- Microbiology and Virology Laboratory, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | | | - Diana Fanti
- Laboratory of Clinical Microbiology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Andrea Busni
- Laboratory of Clinical Microbiology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Matteo Laratta
- Department of Anesthesia and Intensive Care Ospedale Niguarda, Università degli studi Milano Bicocca, Milan, Italy
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Federica Novazzi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Luca Cabrini
- Intensive Care and Anesthesia Unit, Ospedale di Circolo e Fondazione Macchi, Varese, Italy
| | | | | | | | | | | | - Roberto Rona
- Department of Anesthesia and Intensive Care Medicine, San Gerardo Hospital ASST Monza, Monza, Italy
| | - Federica Giardina
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Guglielmo Ferrari
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Federica Zavaglio
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Piera D'angelo
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Cristina Galli
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Laura Bubba
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Sandro Binda
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Massimo Oggioni
- Clinical Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | - Patrizia Bono
- Clinical Laboratory, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Davide Guarneri
- Microbiology and Virology Laboratory, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Marco Tonelli
- Microbiology and Virology Laboratory, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Gavino Napolitano
- Microbiology and Virology Laboratory, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Alice Nava
- Laboratory of Clinical Microbiology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
| | - Lorenzo Romeo
- Residency in Microbiology and Virology, Università degli Studi di Milano, Milan
| | - Elena Nicolini
- Residency in Microbiology and Virology, Università degli Studi di Milano, Milan
| | | | | | - Caterina Mele
- Laboratory of Immunology and Genetics of Rare Diseases, Istituto di Ricerche Farmacologiche Mario Negri IRCCS
| | - Lucia Liguori
- Laboratory of Immunology and Genetics of Rare Diseases, Istituto di Ricerche Farmacologiche Mario Negri IRCCS
| | - Monica Raggi
- Microbiology Laboratory San Gerardo Hospital, Monza, Italy
| | - Silvia Mongodi
- Anaesthesia and Intensive Care, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Michele Pagani
- Anaesthesia and Intensive Care, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Paolo Severgnini
- Department of Biotechnology and Life, Ospedale di Circolo e Fondazione Macchi, University of Insubria, Varese, Italy
| | - Dario Gasberti
- Intensive Care and Anesthesia Unit, Ospedale di Circolo e Fondazione Macchi, Varese, Italy
| | - Ezio Bonanomi
- Department of Emergency and ICU, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Paolo Gritti
- Department of Emergency and ICU, ASST "Papa Giovanni XXIII", Bergamo, Italy
| | - Francesco Marrazzo
- Department of Anesthesia and Intensive Care Ospedale Niguarda, Università degli studi Milano Bicocca, Milan, Italy
| | - Ilaria Giovannini
- Department of Anesthesia and Intensive Care Ospedale Niguarda, Università degli studi Milano Bicocca, Milan, Italy
| | | | | | - Danilo Cereda
- Direzione Generale Welfare, Regione Lombardia, Milan, Italy
| | - Sabrina Buoro
- Direzione Generale Welfare, Regione Lombardia, Milan, Italy
| | - Fausto Baldanti
- Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Elena Pariani
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
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Novazzi F, Giombini E, Rueca M, Baj A, Fabeni L, Genoni A, Ferrante FD, Gramigna G, Gruber CEM, Boutahar S, Minosse C, Butera O, Pasciuta R, Focosi D, Colombo A, Antinori A, Girardi E, Vaia F, Maggi F. Genomic surveillance of SARS-CoV-2 positive passengers on flights from China to Italy, December 2022. Euro Surveill 2023; 28:2300008. [PMID: 36695479 PMCID: PMC9837854 DOI: 10.2807/1560-7917.es.2023.28.2.2300008] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
With numbers of COVID-19 cases having substantially increased at the end of 2022 in China, some countries have started or expanded testing and genomic surveillance of travellers. We report screening results in Italy in late December 2022 of 556 flight passengers in provenance from two Chinese provinces. Among these passengers, 126 (22.7%) tested SARS-CoV-2 positive. Whole genome sequencing of 61 passengers' positive samples revealed Omicron variants, notably sub-lineages BA.5.2.48, BF.7.14 and BQ.1.1, in line with data released from China.
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Affiliation(s)
- Federica Novazzi
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy,Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Emanuela Giombini
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Martina Rueca
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Andreina Baj
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy,Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Lavinia Fabeni
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Angelo Genoni
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy,Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Giulia Gramigna
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | | | - Sara Boutahar
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Claudia Minosse
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Ornella Butera
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Renee Pasciuta
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy
| | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | | | - Andrea Antinori
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Enrico Girardi
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Francesco Vaia
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
| | - Fabrizio Maggi
- National Institute for Infectious Diseases “L. Spallanzani” - IRCCS, Rome, Italy
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4
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Spezia PG, Focosi D, Baj A, Novazzi F, Ferrante FD, Carletti F, Minosse C, Matusali G, Maggi F. TTV and other anelloviruses: The astonishingly wide spread of a viral infection. Asp Mol Med 2023; 1:None. [PMID: 37398508 PMCID: PMC10308510 DOI: 10.1016/j.amolm.2023.100006] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 07/04/2023]
Abstract
The broad family of viruses known as anelloviruses (AV) infects both humans and numerous animal species. They have a tiny, covalently closed single-stranded DNA genome and the astonishing capacity to infect a very high percentage of healthy and ill people with chronic infections that could last a lifetime. AV, and particularly the prototype Torquetenovirus, have established a successful interaction with the host's immune system and the rate at which they replicate is a gauge to measure overall immune function, even though many aspects of their life cycle and pathogenesis are still poorly understood.
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Affiliation(s)
| | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Federica Novazzi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Fabrizio Carletti
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Claudia Minosse
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Giulia Matusali
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
| | - Fabrizio Maggi
- Laboratory of Virology and Biosafety Laboratories, National Institute of Infectious Diseases “L. Spallanzani” IRCCS, Rome, Italy
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5
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Focosi D, Novazzi F, Baj A, Ferrante FD, Boutahar S, Genoni AP, Gasperina DD, Maggi F. Sotrovimab-emergent resistance in SARS-CoV-2 Omicron: A series of three cases. Journal of Clinical Virology Plus 2022; 2:100097. [PMID: 35789899 PMCID: PMC9238025 DOI: 10.1016/j.jcvp.2022.100097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Italy
| | - Federica Novazzi
- Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
| | - Andreina Baj
- Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
| | | | - Sara Boutahar
- Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
| | - Angelo Paolo Genoni
- Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
| | - Daniela Dalla Gasperina
- Division of Infectious Diseases, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
| | - Fabrizio Maggi
- Ospedale di Circolo e Fondazione Macchi, ASST Sette Laghi, Varese, Italy
- University of Insubria, Varese, Italy
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Baj A, Gasperina DD, Focosi D, Forlani G, Ferrante FD, Novazzi F, Azzi L, Maggi F. Safety and immunogenicity of synchronous COVID19 and influenza vaccination. J Clin Virol Plus 2022; 2:100082. [PMID: 35571072 PMCID: PMC9077796 DOI: 10.1016/j.jcvp.2022.100082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/06/2022] [Indexed: 01/17/2023] Open
Abstract
Given the ongoing COVID19 pandemic, the decline in serological response since dose 2, and the upcoming flu season, COVID19 vaccines will increasingly be administered in combination with vaccines against seasonal pathogens. It is of interest to confirm that concurrent vaccination against influenzavirus has no negative impact on serological response to SARS CoV-2. Anti-Spike IgG and Anti-Receptor Binding Domain (RBD) Neutralizing Antibodies (NAb) in serum was assessed in 64 immunocompetent healthcare workers (HCW) before and 14 days post the third dose of BNT162b2 vaccine (Comirnaty®, Pfizer/BioNTech) or BNT162b2 plus quadrivalent flu vaccine (Vaxigript Tetra ®Sanofi Pasteur) on the same day. We report here safety and efficacy of combined BNT162b2 and flu vaccine in 64 healthcare workers at a single institution. No differences were found in adverse events or anti-Spike antibody levels.
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Affiliation(s)
- Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
- Laboratory of Microbiology, ASST Sette Laghi, Varese, Italy
| | | | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Greta Forlani
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | | | - Lorenzo Azzi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
- Unit of Oral Medicine and Pathology, ASST Sette Laghi, Varese, Italy
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
- Laboratory of Microbiology, ASST Sette Laghi, Varese, Italy
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7
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Novazzi F, Baj A, Pasciuta R, Genoni A, Ferrante FD, Tripiciano R, Catanoso G, Focosi D, Maggi F. A CLUSTER OF SARS-COV-2 DELTA VARIANT OF CONCERN ADDITIONALLY HARBORING F490S, NORTHERN LOMBARDY, ITALY. Int J Infect Dis 2022; 116:271-272. [PMID: 34995777 PMCID: PMC8731264 DOI: 10.1016/j.ijid.2021.12.362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/29/2021] [Accepted: 12/23/2021] [Indexed: 11/24/2022] Open
Abstract
The Delta variant of concern (VOC) of SARS-CoV-2 has become dominant worldwide. In this article, we report a cluster caused by B.1.617.2 harboring the additional mutation of concern (MOC) F490S. We observed that 5 fully vaccinated subjects aged between 47 and 84 years were infected with this variant. The immune escape mutation F490S, first identified in the Lambda VOI, appears to impair vaccine efficacy and is rapidly increasing in prevalence worldwide.
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Affiliation(s)
| | - Andreina Baj
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy; Department of Medicine and Surgery, University of Insubria, Varese, Italy.
| | - Renee Pasciuta
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy
| | - Angelo Genoni
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | | | | | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Fabrizio Maggi
- Laboratory of Microbiology, ASST SetteLaghi, Varese, Italy; Department of Medicine and Surgery, University of Insubria, Varese, Italy
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8
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Baj A, Novazzi F, Drago Ferrante F, Genoni A, Tettamanzi E, Catanoso G, Dalla Gasperina D, Dentali F, Focosi D, Maggi F. Spike protein evolution in the SARS-CoV-2 Delta variant of concern: a case series from Northern Lombardy. Emerg Microbes Infect 2021; 10:2010-2015. [PMID: 34651569 PMCID: PMC8567936 DOI: 10.1080/22221751.2021.1994356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/22/2021] [Accepted: 10/12/2021] [Indexed: 02/08/2023]
Abstract
The SARS-CoV-2 variant of concern (VOC) "Delta" is currently defined by PANGOLIN as a cluster of 33 different AY sublineages. Delta (in particular B.1.617.2) is largely and rapidly replacing the Alpha VOC as the dominant clade in most countries. To date, variations in the Spike protein of the Delta VOC have largely been limited. We report here the results of a genomic surveillance programme from Northern Italy. We identified several Delta sublineages harbouring mutations previously reported in GISAID at extremely low frequencies and in different combinations. Two patients (one of them vaccinated) tested positive for a Delta sublineage harbouring S71F, T250I, T572I and K854N. More patients tested positive for G769 V plus C1248F, A352S, and R158G and C1248F, respectively. Genomic surveillance of Delta variants should be encouraged to anticipate immune escape and deploy countermeasures.
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Affiliation(s)
- Andreina Baj
- Laboratory of Microbiology, ASST Sette Laghi, Varese, Italy
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | | | - Angelo Genoni
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | | | | | | | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Fabrizio Maggi
- Laboratory of Microbiology, ASST Sette Laghi, Varese, Italy
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
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9
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Baj A, Novazzi F, Pasciuta R, Genoni A, Ferrante FD, Valli M, Partenope M, Tripiciano R, Ciserchia A, Catanoso G, Focosi D, Maggi F. Breakthrough Infections of E484K-Harboring SARS-CoV-2 Delta Variant, Lombardy, Italy. Emerg Infect Dis 2021; 27:3180-3182. [PMID: 34499599 PMCID: PMC8632179 DOI: 10.3201/eid2712.211792] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The Delta variant of concern of severe acute respiratory syndrome coronavirus 2 is dominant worldwide. We report a case cluster caused by Delta sublineage B.1.617.2 harboring the mutation E484K in Italy during July 11–July 29, 2021. This mutation appears to affect immune response and vaccine efficacy; monitoring its appearance is urgent.
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Baj A, Novazzi F, Genoni A, Ferrante FD, Taborelli S, Pini B, Partenope M, Valli M, Gasperina DD, Capuano R, Prestia M, Spezia PG, Azzi L, Focosi D, Maggi F. Symptomatic SARS-CoV-2 infections after full schedule BNT162b2 vaccination in seropositive healthcare workers: a case series from a single institution. Emerg Microbes Infect 2021; 10:1254-1256. [PMID: 34110974 PMCID: PMC8221119 DOI: 10.1080/22221751.2021.1942230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We report 11 cases of SARS-CoV-2 infection in healthcare workers (HCW) naïve for COVID-19 and seropositive after the second dose of the BNT162b2 mRNA vaccine. Based on voluntary-based surveillance, they tested positive for different strains of SARS-CoV-2, as Spike gene sequencing showed. Five of them reported mild symptoms. Given the risk for SARS-CoV-2 introduction from asymptomatic vaccinees, this case series suggests the need to continue nasopharyngeal screening programmes.
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Affiliation(s)
- Andreina Baj
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Angelo Genoni
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | | | | | - Beatrice Pini
- Clinical Pathology Unit, St. Anna Hospital, Como, Italy
| | | | | | | | | | - Martina Prestia
- Laboratory of Microbiology, ASST dei Sette Laghi, Varese, Italy
| | | | - Lorenzo Azzi
- Unit of Oral Medicine and Pathology, ASST dei Sette Laghi, Varese, Italy
| | - Daniele Focosi
- North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy.,Laboratory of Microbiology, ASST dei Sette Laghi, Varese, Italy
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