Efforts to eradicate polio, once considered a public health triumph, are now threatened by a complex interplay of scientific, logistical, and geopolitical challenges. The emergence of vaccine-derived polioviruses (VDPVs) and a rise in vaccine-related complications have introduced unforeseen obstacles. Despite the decades that... read full story
"We failed utterly to discover bacteria and we had failed to obtain any such bacteria from the human material studied by us;"