…the high path H7 is H7N7, the same serotype that caused the massive outbreak in The Netherlands in 2003. 89 cullers and contacts were H7 PCR confirmed and the outbreak resulted in the only bird flu fatality that was not H5N1.
Follow-up testing for H7 antibodies identified over 1000 contacts, most of whom were asymptomatic. The majority of the PCR confirmed cases had conjunctivitis, although a few had influenza-like illness and a few had both conjunctivitis and influenza-like illness.
Recent reports on H7 isolates with increased binding affinity for human receptors or ferret to ferret transmission has increased concerns regarding the human-to-human transmission potential of H7 outbreaks. More
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