{"type": "article", "title": "The strange reason flu shots have been so hard to improve", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-strange-reason-flu-shots-have-been-so-hard-to-improve", "original_source": "https://www.vox.com/future-perfect/498456/flu-influenza-robert-kennedy-jr-vaccine-moderna", "published": "2026-08-08T12:00:00+00:00", "accessed": "2026-08-09", "id": "the-strange-reason-flu-shots-have-been-so-hard-to-improve"}