Attenuated vaccines can recombine to form virulent field viruses
http://www.sciencemag.org/content/337/6091/188.abstract
Sibling Transmission of Vaccine-Derived Rotavirus (RotaTeq) Associated With Rotavirus Gastroenteritis
http://pediatrics.aappublications.org/content/early/2010/01/25/peds.2009-1901.full.pdf
The Evolutionary Consequences of Blood-Stage Vaccination on the Rodent Malaria Plasmodium chabaudi
http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1001368?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+plosbiology%2FNewArticles+(Ambra+-+Biology+New+Articles
Vaccine-acquired Rotavirus Infection in Two Infants with Severe Combined Immunodeficiency
http://www.jacionline.org/article/S0091-6749(09)00151-1/fulltext
Long-Term Circulation of Vaccine-Derived Poliovirus That Causes Paralytic Disease
http://jvi.asm.org/content/76/13/6791.full
Molecular and Antigenic Characterization of a Highly Evolved Derivative of the Type 2 Oral Poliovaccine Strain Isolated from Sewage in Israel
http://jcm.asm.org/content/38/10/3729.full
Prevalence of vaccine-derived polioviruses in the environment
http://jgv.sgmjournals.org/content/83/5/1107.full
Transmission of mumps virus from mumps-vaccinated individuals to close contact
http://www.ncbi.nlm.nih.gov/pubmed/21983359
Adventitious Agents and Vaccines
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2631857/pdf/11485673.pdf
