{"id":31427,"date":"2025-11-27T08:46:01","date_gmt":"2025-11-27T07:46:01","guid":{"rendered":"https:\/\/educationalevidence.com\/?p=31427"},"modified":"2025-11-27T09:08:21","modified_gmt":"2025-11-27T08:08:21","slug":"loblidada-expedicio-de-la-vacuna-una-gesta-sense-pario","status":"publish","type":"post","link":"https:\/\/educationalevidence.com\/ca\/loblidada-expedicio-de-la-vacuna-una-gesta-sense-pario\/","title":{"rendered":"L\u2019oblidada \u2018Expedici\u00f3 de la vacuna\u2019: una gesta sense pari\u00f3"},"content":{"rendered":"<p>La\u00a0corbeta\u00a0<em>Mar\u00eda\u00a0Pita,<\/em> noliejada per a l&#8217;expedici\u00f3, partint del port de La Corunya en 1803 (gravat de Francisco P\u00e9rez).<\/p>\n<p>&nbsp;<\/p>\n<p><a style=\"display: inline-block;\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/deed.ca\" target=\"_blank\" rel=\"license noopener noreferrer\">Llic\u00e8ncia Creative Commons<img decoding=\"async\" style=\"height: 22px!important; margin-left: 3px; vertical-align: text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/cc.svg?ref=chooser-v1\" \/><img decoding=\"async\" style=\"height: 22px!important; margin-left: 3px; vertical-align: text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/by.svg?ref=chooser-v1\" \/><img decoding=\"async\" style=\"height: 22px!important; margin-left: 3px; vertical-align: text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/nc.svg?ref=chooser-v1\" \/><img decoding=\"async\" style=\"height: 22px!important; margin-left: 3px; vertical-align: text-bottom;\" src=\"https:\/\/mirrors.creativecommons.org\/presskit\/icons\/nd.svg?ref=chooser-v1\" \/><\/a><\/p>\n<p><strong><img decoding=\"async\" class=\"alignleft wp-image-8678\" src=\"https:\/\/educationalevidence.com\/wp-content\/uploads\/2023\/05\/Xavier-150x150.jpg\" sizes=\"(max-width: 70px) 100vw, 70px\" srcset=\"https:\/\/educationalevidence.com\/wp-content\/uploads\/2023\/05\/Xavier-150x150.jpg 150w, https:\/\/educationalevidence.com\/wp-content\/uploads\/2023\/05\/Xavier-100x100.jpg 100w\" alt=\"\" width=\"70\" height=\"70\" \/><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/twitter.com\/XmaSecundaria\" target=\"_blank\" rel=\"noopener\"><strong>Xavier Mass\u00f3<\/strong><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Ara fa 223 anys, el 30 de novembre de 1803 salpava del port d\u2019A Coru\u00f1a la corbeta <em>&#8216;<strong>Mar\u00eda Pita<\/strong><\/em>&#8216; tot iniciant la &#8216;Reial Expedici\u00f3 Filantr\u00f2pica de la Vacuna&#8217; amb la missi\u00f3 de portar la vacuna de la verola fins als \u00faltims confins de l&#8217;Imperi espanyol. D&#8217;aquesta expedici\u00f3 va dir va dir el descobridor del principi de la vacuna, l&#8217;angl\u00e8s <strong>Edward Jenner<\/strong>: \u201cNo imagino que els anals de la hist\u00f2ria continguin un exemple de filantropia tan noble i extens com aquest\u201d. Es coneix tamb\u00e9 com l\u2019<strong>Expedici\u00f3 Balmis,<\/strong> pel nom de qui la va encap\u00e7alar, el cirurgi\u00e0 i metge militar valenci\u00e0 <strong>Francesc Xavier Balmis i Berenguer<\/strong> (1753-1819).<\/p>\n<p>La <strong>verola<\/strong> era una de les plagues m\u00e9s grans de l&#8217;\u00e8poca. El 1796, el metge rural angl\u00e8s Edward Jenner havia descobert que la verola de la vaca &#8211;<em>cowpox<\/em> en l\u2019angl\u00e8s original- era una variant lleu de la mort\u00edfera verola humana. Va obtenir s\u00e8rum de vaques infectades i el va inocular a un nen que va quedar immunitzat. Havia descobert el <strong>principi de la vacuna<\/strong>. Va publicar els seu treball el 1798 i el 1800 ja havia arribat a Espanya, concretament a Puigcerd\u00e0, on el doctor Francesc Piguillem va obtenir s\u00e8rum pel seu compte i va comen\u00e7ar a aplicar-lo amb \u00e8xit.<\/p>\n<p>Amb un ampli i brillant historial com a metge, Balmis havia arribat a ser nomenat <strong>cirurgi\u00e0 de cambra de la cort de Carles IV<\/strong>. Assabentat de les pr\u00e0ctiques de Piguillem, va conv\u00e8ncer el rei de la necessitat d&#8217;emprendre l&#8217;expedici\u00f3. El rei, especialment sensibilitzat per haver perdut una filla a causa de la verola, va acceptar promoure i finan\u00e7ar una campanya tan ambiciosa.<\/p>\n<p>Balmis va comptar com a segon en el comandament de l\u2019expedici\u00f3 amb un altre destacat metge militar i cirurgi\u00e0, el catal\u00e0 <strong>Josep Salvany i Lleopart<\/strong> (1778-1810). La infermera en cap va ser la directora de l\u2019orfenat d\u2019A Corunya, <strong>Isabel Zendal<\/strong> (1773-????). L\u2019equip sanitari es completava amb dos metges assistents, dos pr\u00e0ctics i tres infermeres. La intenci\u00f3 no era nom\u00e9s vacunar la poblaci\u00f3, sin\u00f3 establir tamb\u00e9 juntes de vacunaci\u00f3 a les ciutats visitades per garantir la conservaci\u00f3 del fluid i la vacunaci\u00f3 a les generacions futures.<\/p>\n<p>El problema m\u00e9s gran a qu\u00e8 s&#8217;enfrontava l&#8217;expedici\u00f3 era com aconseguir que el vacc\u00ed es conserv\u00e9s en bon estat durant la llarga travessia. La soluci\u00f3 de Balmis va consistir a utilitzar una reserva humana de <strong>22 nens \u2013un dels quals era fill d\u2019Isabel Zendal- trets de l&#8217;orfenat i no vacunats<\/strong>. Es va comen\u00e7ar per practicar la vacuna a dos nens i se&#8217;ls va separar de la resta. En completar-se el proc\u00e9s patol\u00f2gic \u2013entre nou i dotze dies-, \u00e9s a dir, ja immunitzats, se\u2019ls extreia l\u00edquid de les p\u00fastules i el s\u00e8rum, en realitat la vacuna, s&#8217;aplicava llavors a dos m\u00e9s i aix\u00ed successivament. Nom\u00e9s un nen va morir durant tota l&#8217;expedici\u00f3; la resta es van anar quedant a diferents llocs del viatge, adoptats per fam\u00edlies del lloc.<\/p>\n<p>La tripulaci\u00f3 de la <em>Mar\u00eda Pita <\/em>era d\u2019un total de 37 persones adultes i els 22 nens. El vaixell portava instrumental quir\u00fargic, instruments cient\u00edfics i centenars d&#8217;exemplars del &#8216;Tractat pr\u00e0ctic i hist\u00f2ric de la vacuna&#8217;, per anar-los deixant all\u00e0 on anessin. L&#8217;expedici\u00f3 va portar la vacuna fins a les illes Can\u00e0ries, Am\u00e8rica, les Filipines i la Xina. El nombre total de persones vacunades al llarg de l\u2019expedici\u00f3 es desconeix, per\u00f2 es calcula que podria ser de vora un mili\u00f3 i mig. <strong>Nom\u00e9s a Cuba van practicar-se 400.000 vacunacions<\/strong>.<\/p>\n<p>A Puerto Rico es van emportar una sorpresa: el metge catal\u00e0 <strong>Francisco Oller Ferrer<\/strong> estava practicant des del 1792 la inoculaci\u00f3 preventiva de la verola amb limfa. A Vene\u00e7uela, l&#8217;expedici\u00f3 es va dividir en dos grups. Salvany es va dirigir cap a Col\u00f2mbia, Per\u00fa i Bol\u00edvia, i va morir a <em>Cochabamba<\/em> per causa de les penalitats del viatge el 21 de juliol de 1810, set anys despr\u00e9s d&#8217;haver salpat de la Corunya. Balmis, per la seva banda, va passar per Vene\u00e7uela, Cuba, Florida, Texas i M\u00e8xic. El 1805 va partir d&#8217;Acapulco amb un altre vaixell\u00a0 cap a les Filipines. Va passar per la Xina i, de tornada, fins i tot va vacunar els anglesos a l&#8217;illa de Santa Elena. Informat de la invasi\u00f3 napole\u00f2nica d&#8217;Espanya, es va dirigir a Nova Espanya, on va arribar el 1810. No va tornar a la Pen\u00ednsula fins al 1814. Va morir a Madrid el 12 de febrer del 1819. Al seu torn, Isabel Zendal, en retornar de les Filipines, es va quedar a Puebla (M\u00e8xic) amb el seu fill i no va tornar mai a Espanya.<\/p>\n<p>Va ser una expedici\u00f3 precursora de les intervencions m\u00e8diques preventives i humanit\u00e0ries, una gesta ambiciosa i admirable, desgraciadament oblidada avui dia. De l&#8217;expedici\u00f3 Balmis va dir el gran <strong>Alexander von Humboldt<\/strong>: \u201cAquest viatge romandr\u00e0 com el m\u00e9s memorable als anals de la hist\u00f2ria\u201d.<\/p>\n<hr \/>\n<p>Font:\u00a0<strong>educational EVIDENCE<\/strong><\/p>\n<p>Drets:\u00a0<strong>Creative Commons<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ara fa 223 anys, el 30 de novembre de 1803 salpava del port d\u2019A Coru\u00f1a la corbeta &#8216;Mar\u00eda Pita&#8217; tot iniciant la &#8216;Real Expedici\u00f3 Filantr\u00f2pica de la Vacuna&#8217; amb la missi\u00f3 de portar la vacuna de la verola fins als \u00faltims confins de l&#8217;Imperi espanyol.<\/p>\n","protected":false},"author":4,"featured_media":31417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_FSMCFIC_featured_image_caption":"","_FSMCFIC_featured_image_nocaption":"","_FSMCFIC_featured_image_hide":"","footnotes":""},"categories":[219],"tags":[3599,3600,3601,3602],"class_list":["post-31427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-ca","tag-edward-jenner","tag-expedicio-balmis","tag-real-expedicio-filantropica-de-la-vacuna","tag-verola"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u2019oblidada \u2018Expedici\u00f3 de la vacuna\u2019: una gesta sense pari\u00f3 - Educational Evidence<\/title>\n<meta name=\"description\" content=\"Ara fa 223 anys, el 30 de novembre de 1803 salpava del port d\u2019A Coru\u00f1a la corbeta &#039;Mar\u00eda Pita&#039; 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