# 6433
A fascinating report appears in the journal Science today, which looked at the unexpected recombination of two weakened herpesviruses used in poultry vaccines, that resulted in the generation of a more fit and virulent virus.
Attenuated Vaccines Can Recombine to Form Virulent Field Viruses
Sang-Won Lee, Philip F. Markham, Mauricio J. C. Coppo, Alistair R. Legione, John F. Markham, Amir H. Noormohammadi, Glenn F. Browning, Nino Ficorilli, Carol A. Hartley, Joanne M. Devlin
Ed Yong, writing in his excellent Not Exactly Rocket Science Blog for Discover Magazine has the details, background, and analysis of why this sort of unexpected merging of live attenuated viruses is unlikely to be a problem with human vaccines.
By all means, take a side trip to read Ed’s:
Chicken vaccines merged to form live viruses and caused outbreaks of irony
Related Post:
Ed Yong
Poultry
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- That Duck May Look Clean, But . . .
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- Hong Kong Raises Alert Level On Finding H5N1 Positive Poultry
- Indonesia: Major Poultry Die Offs From Bird Flu
- Bangladesh: Conflicting Bird Flu Reports
- Iraq: Media Report Of Numerous Poultry Deaths
- Netherlands: H7 Bird Flu Detected
- Hong Kong: Another H5N1 Carcass On Lantau Island
- Japan: Another Poultry Farm Being Tested For Bird Flu
- Korea: 2nd Farm Investigated For Bird Flu
- H5N1 Infected Chicken Carcass On Hong Kong Beach
- NWHC: Global Avian Influenza Update
- Azerbaijan: Bird Flu Reported?
- Japan: Gearing Up To Tackle Bird Flu
- Japan: Bird Flu Investigation At Poultry Farm
recombination
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