Published in Vaccine Weekly, March 2nd, 1998
A team of international virologists compared the H5N1 virus, isolated from the respiratory tract of a boy who died from the disease in May, and an avian strain. It found they were closely related.
"If you look at the similarities of the two viruses it is very unlikely that there has been another species that could have acted as a mixing vessel," Eric Claas, of the WHO National Influenza Centre at Erasmus University in Rotterdam, said in an...
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