div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: vaccines contaminated 1973 src=https:reader030fdocumentsnetreader030viewer2022020418568bd7ae1a28ab2034a096d0html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpPublished: May 4 1973Copyright © The New York Timespdiv