have not seen that data, please post a link. Usually 40/75% is the norm. Did you see an Australian article?
The upcoming flu season may be a particularly severe one in the U.S., some medical experts warned today, citing preliminary data from Australia, where the flu season is waning.
The flu vaccine used this year in Australia — which has the same composition as the vaccine used in the U.S. — was only 10 percent effective, according to a preliminary estimate, at preventing the strain of the virus that predominantly circulated during the country’s flu season,an international team of medical experts wrote in a perspective published today in The New England Journal of Medicine.
“However imperfect, though, current influenza vaccines remain a valuable public health tool, and it is always better to get vaccinated than not to get vaccinated,” the team emphasized.
http://abcnews.go.com/Health/years-flu-season-bad-medical-experts-warn/story?id=51473025