Consensus statements on vaccination in patients with haemophilia—Results from the Italian haemophilia and vaccinations (HEVA) project

Vaccination against communicable diseases is crucial for disease prevention, but this practice poses challenges to healthcare professionals in patients with haemophilia. Poor knowledge of the vaccination requirements for these patients and safety concerns often result in vaccination delay or avoidan...

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Veröffentlicht in:Haemophilia : the official journal of the World Federation of Hemophilia 2019-07, Vol.25 (4), p.656-667
Hauptverfasser: Santagostino, Elena, Riva, Agostino, Cesaro, Simone, Esposito, Susanna, Matino, Davide, Mazzucchelli, Renata Ilde, Molinari, Angelo Claudio, Mura, Rosamaria, Notarangelo, Lucia Dora, Tagliaferri, Annarita, Di Minno, Giovanni, Clerici, Mario, Ambaglio, Chiara, Brigida Aru, Anna, Baldacci, Erminia, Barillari, Giovanni, Basso, Maria, Bernasconi, Sayla, Bertamino, Marta, Bertoni, Elisa, Biasoli, Chiara, Federica Biguzzi, Eugenia, Bonetti, Elisa, Borchiellini, Alessandra, Bulgarelli, Simona, Cabibbo, Sergio, Cantori, Isabella, Castaman, Giancarlo, Castiglia, Paolo, Coluccia, Antonella, Coppetelli, Ugo, Coppola, Antonio, Cultrera, Dorina, De Candia, Erica, Delios, Grazia, Di Gennaro, Leonardo, Di Gregorio, Patrizia, Di Minno, Matteo, Dragani, Alfredo, Pietro Ettorre, Cosimo, Franchini, Massimo, Galli, Massimo, Gallo, Giovanni, Giordano, Paola, Giuffrida, Gaetano, Iannaccaro, Piergiorgio, Lassandro, Giuseppe, Lazzareschi, Ilaria, Linari, Silvia, Luciani, Matteo, Macchi, Silvia, Malcangi, Giuseppe, Malizia, Raniero, Marietta, Marco, Marino, Renato, Massoud, Michela, Gabriella Mazzucconi, Maria, Milan, Marta, Morfini, Massimo, Napolitano, Mariasanta, Pasca, Samantha, Pedrazzi, Paola, Peyvandi, Flora A., Piscitelli, Lydia, Pollio, Berardino, Preti, Paola, Quintavalle, Gabriele, Radossi, Paolo, Raso, Simona, Ricca, Irene, Rocino, Angiola, Santoro, Cristina, Carlotta Santoro, Rita, Sarolo, Lucia, Schiavoni, Mario, Schiavulli, Michele, Sciancalepore, Patrizia, Luisa Serino, Maria, Mario Siragusa, Sergio, Sottilotta, Gianluca, Svahn, Johanna, Valdrè, Lelia, Cristina Vedovati, Maria, Zanon, Ezio
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container_title Haemophilia : the official journal of the World Federation of Hemophilia
container_volume 25
creator Santagostino, Elena
Riva, Agostino
Cesaro, Simone
Esposito, Susanna
Matino, Davide
Mazzucchelli, Renata Ilde
Molinari, Angelo Claudio
Mura, Rosamaria
Notarangelo, Lucia Dora
Tagliaferri, Annarita
Di Minno, Giovanni
Clerici, Mario
Ambaglio, Chiara
Brigida Aru, Anna
Baldacci, Erminia
Barillari, Giovanni
Basso, Maria
Bernasconi, Sayla
Bertamino, Marta
Bertoni, Elisa
Biasoli, Chiara
Federica Biguzzi, Eugenia
Bonetti, Elisa
Borchiellini, Alessandra
Bulgarelli, Simona
Cabibbo, Sergio
Cantori, Isabella
Castaman, Giancarlo
Castiglia, Paolo
Coluccia, Antonella
Coppetelli, Ugo
Coppola, Antonio
Cultrera, Dorina
De Candia, Erica
Delios, Grazia
Di Gennaro, Leonardo
Di Gregorio, Patrizia
Di Minno, Matteo
Dragani, Alfredo
Pietro Ettorre, Cosimo
Franchini, Massimo
Galli, Massimo
Gallo, Giovanni
Giordano, Paola
Giuffrida, Gaetano
Iannaccaro, Piergiorgio
Lassandro, Giuseppe
Lazzareschi, Ilaria
Linari, Silvia
Luciani, Matteo
Macchi, Silvia
Malcangi, Giuseppe
Malizia, Raniero
Marietta, Marco
Marino, Renato
Massoud, Michela
Gabriella Mazzucconi, Maria
Milan, Marta
Morfini, Massimo
Napolitano, Mariasanta
Pasca, Samantha
Pedrazzi, Paola
Peyvandi, Flora A.
Piscitelli, Lydia
Pollio, Berardino
Preti, Paola
Quintavalle, Gabriele
Radossi, Paolo
Raso, Simona
Ricca, Irene
Rocino, Angiola
Santoro, Cristina
Carlotta Santoro, Rita
Sarolo, Lucia
Schiavoni, Mario
Schiavulli, Michele
Sciancalepore, Patrizia
Luisa Serino, Maria
Mario Siragusa, Sergio
Sottilotta, Gianluca
Svahn, Johanna
Valdrè, Lelia
Cristina Vedovati, Maria
Zanon, Ezio
description Vaccination against communicable diseases is crucial for disease prevention, but this practice poses challenges to healthcare professionals in patients with haemophilia. Poor knowledge of the vaccination requirements for these patients and safety concerns often result in vaccination delay or avoidance. In order to address this issue, a panel of 11 Italian haemophilia and immunization experts conducted a Delphi consensus process to identify the main concerns regarding the safe use of vaccines in patients with haemophilia. The consensus was based on a literature search of the available evidence, which was used by the experts to design 27 consensus statements. A group of clinicians then rated these statements using the 5‐point Likert‐type scale (1 = strongly disagree; 5 = strongly agree). The main issues identified by the expert panel included vaccination schedule for haemophilic patients; protocol and optimal route of vaccine administration; vaccination of haemophilic patients with antibodies inhibiting coagulation factor VIII (inhibitors); and vaccination and risk of inhibitor development. This manuscript discusses these controversial areas in detail supported by the available literature evidence and provides evidence‐ and consensus‐based recommendations. Overall, participants agreed on most statements, except those addressing the potential role of vaccination in inhibitor formation. Participants agreed that patients with haemophilia should receive vaccinations according to the institutional schedule for individuals without bleeding disorders; however, vaccination of patients with haemophilia requires comprehensive planning, taking into account disease severity, type and route of vaccination, and bleeding risk. Data also suggest vaccination timing does not need to take into consideration when the patient received factor VIII replacement.
doi_str_mv 10.1111/hae.13756
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Poor knowledge of the vaccination requirements for these patients and safety concerns often result in vaccination delay or avoidance. In order to address this issue, a panel of 11 Italian haemophilia and immunization experts conducted a Delphi consensus process to identify the main concerns regarding the safe use of vaccines in patients with haemophilia. The consensus was based on a literature search of the available evidence, which was used by the experts to design 27 consensus statements. A group of clinicians then rated these statements using the 5‐point Likert‐type scale (1 = strongly disagree; 5 = strongly agree). The main issues identified by the expert panel included vaccination schedule for haemophilic patients; protocol and optimal route of vaccine administration; vaccination of haemophilic patients with antibodies inhibiting coagulation factor VIII (inhibitors); and vaccination and risk of inhibitor development. This manuscript discusses these controversial areas in detail supported by the available literature evidence and provides evidence‐ and consensus‐based recommendations. Overall, participants agreed on most statements, except those addressing the potential role of vaccination in inhibitor formation. Participants agreed that patients with haemophilia should receive vaccinations according to the institutional schedule for individuals without bleeding disorders; however, vaccination of patients with haemophilia requires comprehensive planning, taking into account disease severity, type and route of vaccination, and bleeding risk. Data also suggest vaccination timing does not need to take into consideration when the patient received factor VIII replacement.</description><identifier>ISSN: 1351-8216</identifier><identifier>ISSN: 1365-2516</identifier><identifier>EISSN: 1365-2516</identifier><identifier>DOI: 10.1111/hae.13756</identifier><identifier>PMID: 30990961</identifier><language>eng</language><publisher>England: Wiley Subscription Services, Inc</publisher><subject>Adult ; Bleeding ; bleeding disorder ; Child ; Coagulation factor VIII ; Coagulation factors ; Consensus ; Delphi Technique ; Evidence-Based Medicine ; factor VIII inhibitor ; haemophilia ; Hemophilia ; Hemophilia A - prevention &amp; control ; Hemophilia B - prevention &amp; control ; Humans ; Immunization ; Italy ; Original ; Vaccination ; Vaccines</subject><ispartof>Haemophilia : the official journal of the World Federation of Hemophilia, 2019-07, Vol.25 (4), p.656-667</ispartof><rights>2019 The Authors. Haemophilia Published by John Wiley &amp; Sons Ltd</rights><rights>2019 The Authors. 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Marta</creatorcontrib><creatorcontrib>Bertoni, Elisa</creatorcontrib><creatorcontrib>Biasoli, Chiara</creatorcontrib><creatorcontrib>Federica Biguzzi, Eugenia</creatorcontrib><creatorcontrib>Bonetti, Elisa</creatorcontrib><creatorcontrib>Borchiellini, Alessandra</creatorcontrib><creatorcontrib>Bulgarelli, Simona</creatorcontrib><creatorcontrib>Cabibbo, Sergio</creatorcontrib><creatorcontrib>Cantori, Isabella</creatorcontrib><creatorcontrib>Castaman, Giancarlo</creatorcontrib><creatorcontrib>Castiglia, Paolo</creatorcontrib><creatorcontrib>Coluccia, Antonella</creatorcontrib><creatorcontrib>Coppetelli, Ugo</creatorcontrib><creatorcontrib>Coppola, Antonio</creatorcontrib><creatorcontrib>Cultrera, Dorina</creatorcontrib><creatorcontrib>De Candia, Erica</creatorcontrib><creatorcontrib>Delios, Grazia</creatorcontrib><creatorcontrib>Di Gennaro, Leonardo</creatorcontrib><creatorcontrib>Di Gregorio, Patrizia</creatorcontrib><creatorcontrib>Di Minno, Matteo</creatorcontrib><creatorcontrib>Dragani, Alfredo</creatorcontrib><creatorcontrib>Pietro Ettorre, Cosimo</creatorcontrib><creatorcontrib>Franchini, Massimo</creatorcontrib><creatorcontrib>Galli, Massimo</creatorcontrib><creatorcontrib>Gallo, Giovanni</creatorcontrib><creatorcontrib>Giordano, Paola</creatorcontrib><creatorcontrib>Giuffrida, Gaetano</creatorcontrib><creatorcontrib>Iannaccaro, Piergiorgio</creatorcontrib><creatorcontrib>Lassandro, Giuseppe</creatorcontrib><creatorcontrib>Lazzareschi, Ilaria</creatorcontrib><creatorcontrib>Linari, Silvia</creatorcontrib><creatorcontrib>Luciani, Matteo</creatorcontrib><creatorcontrib>Macchi, Silvia</creatorcontrib><creatorcontrib>Malcangi, Giuseppe</creatorcontrib><creatorcontrib>Malizia, Raniero</creatorcontrib><creatorcontrib>Marietta, Marco</creatorcontrib><creatorcontrib>Marino, Renato</creatorcontrib><creatorcontrib>Massoud, Michela</creatorcontrib><creatorcontrib>Gabriella Mazzucconi, Maria</creatorcontrib><creatorcontrib>Milan, Marta</creatorcontrib><creatorcontrib>Morfini, Massimo</creatorcontrib><creatorcontrib>Napolitano, Mariasanta</creatorcontrib><creatorcontrib>Pasca, Samantha</creatorcontrib><creatorcontrib>Pedrazzi, Paola</creatorcontrib><creatorcontrib>Peyvandi, Flora A.</creatorcontrib><creatorcontrib>Piscitelli, Lydia</creatorcontrib><creatorcontrib>Pollio, Berardino</creatorcontrib><creatorcontrib>Preti, Paola</creatorcontrib><creatorcontrib>Quintavalle, Gabriele</creatorcontrib><creatorcontrib>Radossi, Paolo</creatorcontrib><creatorcontrib>Raso, Simona</creatorcontrib><creatorcontrib>Ricca, Irene</creatorcontrib><creatorcontrib>Rocino, Angiola</creatorcontrib><creatorcontrib>Santoro, Cristina</creatorcontrib><creatorcontrib>Carlotta Santoro, Rita</creatorcontrib><creatorcontrib>Sarolo, Lucia</creatorcontrib><creatorcontrib>Schiavoni, Mario</creatorcontrib><creatorcontrib>Schiavulli, Michele</creatorcontrib><creatorcontrib>Sciancalepore, Patrizia</creatorcontrib><creatorcontrib>Luisa Serino, Maria</creatorcontrib><creatorcontrib>Mario Siragusa, Sergio</creatorcontrib><creatorcontrib>Sottilotta, Gianluca</creatorcontrib><creatorcontrib>Svahn, Johanna</creatorcontrib><creatorcontrib>Valdrè, Lelia</creatorcontrib><creatorcontrib>Cristina Vedovati, Maria</creatorcontrib><creatorcontrib>Zanon, Ezio</creatorcontrib><creatorcontrib>the HEVA Study Group</creatorcontrib><title>Consensus statements on vaccination in patients with haemophilia—Results from the Italian haemophilia and vaccinations (HEVA) project</title><title>Haemophilia : the official journal of the World Federation of Hemophilia</title><addtitle>Haemophilia</addtitle><description>Vaccination against communicable diseases is crucial for disease prevention, but this practice poses challenges to healthcare professionals in patients with haemophilia. Poor knowledge of the vaccination requirements for these patients and safety concerns often result in vaccination delay or avoidance. In order to address this issue, a panel of 11 Italian haemophilia and immunization experts conducted a Delphi consensus process to identify the main concerns regarding the safe use of vaccines in patients with haemophilia. The consensus was based on a literature search of the available evidence, which was used by the experts to design 27 consensus statements. A group of clinicians then rated these statements using the 5‐point Likert‐type scale (1 = strongly disagree; 5 = strongly agree). The main issues identified by the expert panel included vaccination schedule for haemophilic patients; protocol and optimal route of vaccine administration; vaccination of haemophilic patients with antibodies inhibiting coagulation factor VIII (inhibitors); and vaccination and risk of inhibitor development. This manuscript discusses these controversial areas in detail supported by the available literature evidence and provides evidence‐ and consensus‐based recommendations. Overall, participants agreed on most statements, except those addressing the potential role of vaccination in inhibitor formation. Participants agreed that patients with haemophilia should receive vaccinations according to the institutional schedule for individuals without bleeding disorders; however, vaccination of patients with haemophilia requires comprehensive planning, taking into account disease severity, type and route of vaccination, and bleeding risk. Data also suggest vaccination timing does not need to take into consideration when the patient received factor VIII replacement.</description><subject>Adult</subject><subject>Bleeding</subject><subject>bleeding disorder</subject><subject>Child</subject><subject>Coagulation factor VIII</subject><subject>Coagulation factors</subject><subject>Consensus</subject><subject>Delphi Technique</subject><subject>Evidence-Based Medicine</subject><subject>factor VIII inhibitor</subject><subject>haemophilia</subject><subject>Hemophilia</subject><subject>Hemophilia A - prevention &amp; control</subject><subject>Hemophilia B - prevention &amp; control</subject><subject>Humans</subject><subject>Immunization</subject><subject>Italy</subject><subject>Original</subject><subject>Vaccination</subject><subject>Vaccines</subject><issn>1351-8216</issn><issn>1365-2516</issn><issn>1365-2516</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><recordid>eNp1kcFq3DAQhk1pSdIkh75AEfSSHJxoJEu2LoVl2XYDgUJpcxWyLNdabMmV7ITccusL9An7JNVm07AtVBcN_B__zD-TZW8AX0B6l50yF0BLxl9kR0A5ywkD_nJbM8grAvwwex3jBmOgBPOD7JBiIbDgcJT9WHoXjYtzRHFSkxmMmyLyDt0qra1Tk021dWhM1aN0Z6cOpYaDHzvbW_Xr4ednE-c-SW3wA5o6g64mlRS3jyHlmn3PiM7Wq5vFORqD3xg9nWSvWtVHc_r0H2dfP6y-LNf59aePV8vFda6LgvIcQAMVbVsKhVlbFylHVRvVqLYpQZVMaKJqowmIBlpeCV0qMJqDIbjkuMb0OHu_8x3nejCNTpmC6uUY7KDCvfTKyr8VZzv5zd9KXjGMGU8GZ08GwX-fTZzkYKM2fa-c8XOUhAAWjNFq2-vdP-jGz8GleJJQSkVBC1ol6nxH6eBjDKZ9Hgaw3J5XpjXKx_Mm9u3-9M_kn3sm4HIH3Nne3P_fSa4Xq53lb8NEsvA</recordid><startdate>201907</startdate><enddate>201907</enddate><creator>Santagostino, 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Pedrazzi, Paola ; Peyvandi, Flora A. ; Piscitelli, Lydia ; Pollio, Berardino ; Preti, Paola ; Quintavalle, Gabriele ; Radossi, Paolo ; Raso, Simona ; Ricca, Irene ; Rocino, Angiola ; Santoro, Cristina ; Carlotta Santoro, Rita ; Sarolo, Lucia ; Schiavoni, Mario ; Schiavulli, Michele ; Sciancalepore, Patrizia ; Luisa Serino, Maria ; Mario Siragusa, Sergio ; Sottilotta, Gianluca ; Svahn, Johanna ; Valdrè, Lelia ; Cristina Vedovati, Maria ; Zanon, Ezio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4436-11c139ff79a05fb40998beadafd71a759c2abec219d1f689c7a1ec61e20760b03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adult</topic><topic>Bleeding</topic><topic>bleeding disorder</topic><topic>Child</topic><topic>Coagulation factor VIII</topic><topic>Coagulation factors</topic><topic>Consensus</topic><topic>Delphi Technique</topic><topic>Evidence-Based 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(Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Immunology Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Haemophilia : the official journal of the World Federation of Hemophilia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Santagostino, Elena</au><au>Riva, Agostino</au><au>Cesaro, Simone</au><au>Esposito, Susanna</au><au>Matino, Davide</au><au>Mazzucchelli, Renata Ilde</au><au>Molinari, Angelo Claudio</au><au>Mura, Rosamaria</au><au>Notarangelo, Lucia Dora</au><au>Tagliaferri, Annarita</au><au>Di Minno, Giovanni</au><au>Clerici, Mario</au><au>Ambaglio, Chiara</au><au>Brigida Aru, Anna</au><au>Baldacci, Erminia</au><au>Barillari, Giovanni</au><au>Basso, Maria</au><au>Bernasconi, Sayla</au><au>Bertamino, Marta</au><au>Bertoni, Elisa</au><au>Biasoli, Chiara</au><au>Federica Biguzzi, Eugenia</au><au>Bonetti, Elisa</au><au>Borchiellini, Alessandra</au><au>Bulgarelli, Simona</au><au>Cabibbo, Sergio</au><au>Cantori, Isabella</au><au>Castaman, Giancarlo</au><au>Castiglia, Paolo</au><au>Coluccia, Antonella</au><au>Coppetelli, Ugo</au><au>Coppola, Antonio</au><au>Cultrera, Dorina</au><au>De Candia, Erica</au><au>Delios, Grazia</au><au>Di Gennaro, Leonardo</au><au>Di Gregorio, Patrizia</au><au>Di Minno, Matteo</au><au>Dragani, Alfredo</au><au>Pietro Ettorre, Cosimo</au><au>Franchini, Massimo</au><au>Galli, Massimo</au><au>Gallo, Giovanni</au><au>Giordano, Paola</au><au>Giuffrida, Gaetano</au><au>Iannaccaro, Piergiorgio</au><au>Lassandro, Giuseppe</au><au>Lazzareschi, Ilaria</au><au>Linari, Silvia</au><au>Luciani, Matteo</au><au>Macchi, Silvia</au><au>Malcangi, Giuseppe</au><au>Malizia, Raniero</au><au>Marietta, Marco</au><au>Marino, Renato</au><au>Massoud, Michela</au><au>Gabriella Mazzucconi, Maria</au><au>Milan, Marta</au><au>Morfini, Massimo</au><au>Napolitano, Mariasanta</au><au>Pasca, Samantha</au><au>Pedrazzi, Paola</au><au>Peyvandi, Flora A.</au><au>Piscitelli, Lydia</au><au>Pollio, Berardino</au><au>Preti, Paola</au><au>Quintavalle, Gabriele</au><au>Radossi, Paolo</au><au>Raso, Simona</au><au>Ricca, Irene</au><au>Rocino, Angiola</au><au>Santoro, Cristina</au><au>Carlotta Santoro, Rita</au><au>Sarolo, Lucia</au><au>Schiavoni, Mario</au><au>Schiavulli, Michele</au><au>Sciancalepore, Patrizia</au><au>Luisa Serino, Maria</au><au>Mario Siragusa, Sergio</au><au>Sottilotta, Gianluca</au><au>Svahn, Johanna</au><au>Valdrè, Lelia</au><au>Cristina Vedovati, Maria</au><au>Zanon, Ezio</au><aucorp>the HEVA Study Group</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Consensus statements on vaccination in patients with haemophilia—Results from the Italian haemophilia and vaccinations (HEVA) project</atitle><jtitle>Haemophilia : the official journal of the World Federation of Hemophilia</jtitle><addtitle>Haemophilia</addtitle><date>2019-07</date><risdate>2019</risdate><volume>25</volume><issue>4</issue><spage>656</spage><epage>667</epage><pages>656-667</pages><issn>1351-8216</issn><issn>1365-2516</issn><eissn>1365-2516</eissn><abstract>Vaccination against communicable diseases is crucial for disease prevention, but this practice poses challenges to healthcare professionals in patients with haemophilia. Poor knowledge of the vaccination requirements for these patients and safety concerns often result in vaccination delay or avoidance. In order to address this issue, a panel of 11 Italian haemophilia and immunization experts conducted a Delphi consensus process to identify the main concerns regarding the safe use of vaccines in patients with haemophilia. The consensus was based on a literature search of the available evidence, which was used by the experts to design 27 consensus statements. A group of clinicians then rated these statements using the 5‐point Likert‐type scale (1 = strongly disagree; 5 = strongly agree). The main issues identified by the expert panel included vaccination schedule for haemophilic patients; protocol and optimal route of vaccine administration; vaccination of haemophilic patients with antibodies inhibiting coagulation factor VIII (inhibitors); and vaccination and risk of inhibitor development. This manuscript discusses these controversial areas in detail supported by the available literature evidence and provides evidence‐ and consensus‐based recommendations. Overall, participants agreed on most statements, except those addressing the potential role of vaccination in inhibitor formation. Participants agreed that patients with haemophilia should receive vaccinations according to the institutional schedule for individuals without bleeding disorders; however, vaccination of patients with haemophilia requires comprehensive planning, taking into account disease severity, type and route of vaccination, and bleeding risk. Data also suggest vaccination timing does not need to take into consideration when the patient received factor VIII replacement.</abstract><cop>England</cop><pub>Wiley Subscription Services, Inc</pub><pmid>30990961</pmid><doi>10.1111/hae.13756</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-5920-6191</orcidid><oa>free_for_read</oa></addata></record>
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identifier ISSN: 1351-8216
ispartof Haemophilia : the official journal of the World Federation of Hemophilia, 2019-07, Vol.25 (4), p.656-667
issn 1351-8216
1365-2516
1365-2516
language eng
recordid cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6850056
source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Adult
Bleeding
bleeding disorder
Child
Coagulation factor VIII
Coagulation factors
Consensus
Delphi Technique
Evidence-Based Medicine
factor VIII inhibitor
haemophilia
Hemophilia
Hemophilia A - prevention & control
Hemophilia B - prevention & control
Humans
Immunization
Italy
Original
Vaccination
Vaccines
title Consensus statements on vaccination in patients with haemophilia—Results from the Italian haemophilia and vaccinations (HEVA) project
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