<script>document.addEventListener("DOMContentLoaded", function() { // =============================================== // 1. HELPERS // =============================================== const getTextContent = (selector, defaultValue = '') => { const el = document.querySelector(selector); return el ? el.textContent.trim() : defaultValue; }; const getAttributeUrl = (selector, attribute = 'href') => { const el = document.querySelector(selector); return el ? el.getAttribute(attribute) : ''; }; const getMetaContent = (property) => { const selector = `meta[property="${property}"]`; const el = document.querySelector(selector); return el ? el.getAttribute('content') : new Date().toISOString(); }; const getMentionsFromCategories = (selector) => { const categoryLinks = document.querySelectorAll(selector); const mentionsArray = []; categoryLinks.forEach(link => { mentionsArray.push({ "@type": "Thing", "name": link.textContent.trim(), "url": link.href }); }); return mentionsArray; }; // === NUEVA FUNCIÓN: autor desde el segundo icon-list-text === const getAuthorInfo = () => { const items = document.querySelectorAll(".elementor-icon-list-text"); if (items.length >= 2) { const el = items[1]; const authorName = el.textContent.trim(); const parentLink = el.closest("a"); const authorUrl = parentLink ? parentLink.href : ""; return { authorName, authorUrl }; } return { authorName: "", authorUrl: "" }; }; // =============================================== // 2. EXTRAER CLAIMREVIEW EXISTENTE // =============================================== const existingScript = document.querySelector('script[type="application/ld+json"]'); let existingClaimReview = {}; if (existingScript) { try { const data = JSON.parse(existingScript.textContent.trim()); const item = Array.isArray(data) ? data.find(i => i['@type'] === 'ClaimReview') : (data['@type'] === 'ClaimReview' ? data : null); if (item) { existingClaimReview = item; existingScript.remove(); } } catch (e) { console.warn("Error al parsear ClaimReview existente."); } } const claimReviewedText = existingClaimReview.claimReviewed || getTextContent("h1.sc_layouts_title_caption"); const reviewRating = existingClaimReview.reviewRating; // =============================================== // 3. RECOLECCIÓN DE DATOS // =============================================== const currentUrl = window.location.href; const headlineText = getTextContent("h1.sc_layouts_title_caption"); // === AUTOR CORREGIDO === const { authorName, authorUrl } = getAuthorInfo(); const imageUrl = getAttributeUrl(".imagen-destacada", 'src'); const datePublishedIso = getMetaContent("article:published_time"); const dateModifiedIso = getMetaContent("article:modified_time"); const articleMentions = getMentionsFromCategories(".post_header .post_categories a"); // =============================================== // 4. DETECCIÓN DEL VÍDEO // =============================================== const getVideoUrl = () => { const iframe = document.querySelector('.dialog-lightbox-widget iframe.elementor-video'); if (iframe && iframe.src) return iframe.src.split("?")[0]; const fallback = document.querySelector("iframe.elementor-video, iframe[src*='youtube'], iframe[src*='vimeo']"); if (fallback && fallback.src) return fallback.src.split("?")[0]; return ""; }; const videoUrl = getVideoUrl(); // =============================================== // 5. SCHEMA GLOBAL SITE-WIDE // =============================================== const siteWideOrgSchema = { "@context": "https://schema.org", "@type": "NewsMediaOrganization", "@id": "https://efesalud.com/#newsorg", "name": "Agencia EFE", "url": "https://efesalud.com/", "logo": { "@type": "ImageObject", "url": "https://efesalud.com/wp-content/uploads/logo.png" } }; // =============================================== // 6. SCHEMA PRINCIPAL DEL ARTÍCULO // =============================================== const combinedSchema = { "@context": "https://schema.org", "@type": "NewsArticle", "mainEntityOfPage": { "@type": ["WebPage", "MedicalWebPage"], "@id": currentUrl }, "headline": headlineText, "datePublished": datePublishedIso, "dateModified": dateModifiedIso, "inLanguage": "es", "author": { "@type": "Person", "name": authorName, ...(authorUrl && { "url": authorUrl }), ...(authorUrl && { "@id": authorUrl + "#author" }) }, "publisher": { "@id": "https://efesalud.com/#newsorg" }, "image": { "@type": "ImageObject", "url": imageUrl, "representativeOfPage": true }, ...(videoUrl && { "video": { "@type": "VideoObject", "url": videoUrl } }), ...(articleMentions.length > 0 && { "mentions": articleMentions }), "mainEntity": { "@type": "ClaimReview", "claimReviewed": claimReviewedText, ...(reviewRating && { "reviewRating": reviewRating }), "publisher": existingClaimReview.publisher || { "@id": "https://efesalud.com/#newsorg" }, "itemReviewed": { "@type": "CreativeWork" } } }; // =============================================== // 7. INSERTAR SCHEMAS // =============================================== try { const orgScript = document.createElement('script'); orgScript.type = "application/ld+json"; orgScript.textContent = JSON.stringify(siteWideOrgSchema, null, 2); document.head.appendChild(orgScript); const articleScript = document.createElement('script'); articleScript.type = "application/ld+json"; articleScript.textContent = JSON.stringify(combinedSchema, null, 2); document.head.appendChild(articleScript); } catch (e) { console.error("Error al generar o inyectar schema:", e); } }); </script>“Vacunas imposibles”: La ciencia contra los agentes patógenos

“Vacunas imposibles”: La ciencia contra los agentes patógenos

Existen numerosos desafíos en el desarrollo de las «vacunas imposibles», denominadas así por su complejidad científica y financiera. Algunas enfermedades como el dengue y la peste porcina destacan entre las que aún no cuentan con un remedio efectivo en la actualidad.