div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentobservations-of-symptoms-this-led-the-arab-doctor-rhazes-to-describe-for-the-firsthtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: WordPresscomobservations of symptoms This led the Arab doctor Rhazes to describe for the first time the difference between smallpox and measles Until then all infections with rashes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220608196098db5ab227f62ab51adc66html5thumbnails1jpg width=140 height=200 divdiv