Hidden and dangerous.

• Autores: Helen Branswell
• Localización: Scientific American, ISSN 0036-8733, Vol. 309, Nº. 2, 2013, págs. 14-15
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The article discusses the global eradication of polio. Topics include a novel threat to polio eradication from people with compromised immune systems who received weakened polioviruses in oral vaccines, called chronic excreters, the role of chronic excreters in the mutation and transmission of the wild polio virus, and the challenges of identifying chronic excreters.