http://www.google.com.br/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCAQFjAA&url=http%3A%2F%2Fwww.who.int%2Fcsr%2Fdisease%2Fsmallpox%2FSmallpox-English.ppt&ei=PyRBVfbjEcargwSfyYDYBA&usg=AFQjCNFZ5GDeT_D4EUdoPVckYiTxEnOnyQ&sig2=jlLMXNHfWxYx4zMeTPhP0w&bvm=bv.91665533,d.eXY

It presents a set of 36 slides which contain information and images related to diagnosis, clinical features, and symptoms of smallpox.