div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Viruela y vacunación en Buenos Aires 1880-1900 Hegemonía src=https:reader034vdocumentocomreader034viewer2022052419586f6e581a28ab34548bd06chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv