Wednesday, January 23, 2013

Egypt: Study Reveals One in Five Available Vaccines for #H5N1 in Poultry are Effective

January 23, 2013
In light of their findings, Ghazi Kayali of St Jude Children's Research Hospital in Memphis in the US and colleagues there and at Egypt's National Research Center in Giza recommend that the H5N1 prevention and control strategy in Egypt be updated and reinforced. Special consideration should be given to the vaccination strategy, they say, and the use of vaccines based on currently circulating viruses is advisable. 
The group studied the cross-reactivity of six commercially available H5 poultry vaccines against recent H5N1 Egyptian isolates in a field setting in Egypt. Only one vaccine based on an Egyptian H5N1 virus induced high cross-reactive antibody titres.

The scientists suggest their results may be explained by the fact that the seed viruses in these vaccines are genetically distinct from H5N1 viruses currently circulating in Egypt.

Full article:

No comments: