... там, докато все още има хора, които се възползват от ваксината. Заглавна снимка: By https://wellcomeimages.org/indexplus/obf_images/63/06/f922c4b86c952df78a555cd9eba8.jpgGallery: https://wellcomeimages.org/indexplus/image/V0023503.htmlWellcome Collection gallery (2018-03-29): https://wellcomecollection.org/works/jpsdbu7d CC-BY-4.0, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=36560529