Are pig pens flu bug incubators? Animal welfare campaigners may see the way pigs are crammed into their pens in industrial farms as cruel, but to some public health experts these pens are also incubators for viruses. This was the warning in a report published last year by the Pew Charitable Trust. [News Source]

Australia flu ‘may tip pandemic.’ A sharp increase in swine flu cases in Australia may mean the infection has become a pandemic, the World Health Organization says. [News Source]