The flu is back and with a scare again. More than a year after H1N1 virus was seen to be behaving mildly, it is expected to bounce back in 2012 with the experts warning that it may act differently this year and the cases are likely increase.

Experts say that the “unusual” timing of the virus in 2012 is enough for the prediction. “The number of cases this year are already more as compared to last year. On top of that, the onset of monsoon will only make the virus conducive to grow.