Via Reuters, excerpt :
" Fresh human cases in eastern China of a deadly new strain of bird flu signal the potential for "a new epidemic wave" of the disease in coming winter months, scientists said on Thursday.
The strain, known as H7N9, emerged for the first time in humans earlier this year and killed around 45 of the some 135 people it infected before appearing to peter out in China During the summer.
But a new case in October in a 35-year-old man from China's eastern Zhejiang province shows that the virus "has re-emerged in winter 2013" and "indicates a possible risk of a larger outbreak of H7N9 this winter," according to Chinese researchers writing in the online journal Euro surveillance.
Flu experts around the world have been warning that despite the marked drop off in cases during the summer months, the threat posed by H7N9 bird flu has not passed."