[link to afludiary.blogspot.ca]

H7N9 Virus-Host Interactions and Age Shift

While many epidemiologists are investigating exposure differences to poultry or other birds that might explain this age/sex shift, researchers from Canada are exploring a different scenario.


One that harkens back to a mystery still unresolved from the 2009 pandemic – the observation (particularly in Canada) that people who received the 2008 flu shot seemed to be more susceptible to catching the H1N1 pandemic strain the following spring.