29 bytes added ,  22:42, 26 June 2010
no edit summary
Line 25: Line 25:  
**Vaccination favors the evolution of the virus, which might increase its virulence and drift
 
**Vaccination favors the evolution of the virus, which might increase its virulence and drift
 
[[Category:Orthomyxoviridae]][[Category:Poultry]]
 
[[Category:Orthomyxoviridae]][[Category:Poultry]]
 +
[[Category:To_Do_-_Viruses]]
Author, Donkey, Bureaucrats, Administrators
53,803

edits