What was the ground zero for the swine flu outbreak, it has not been identified yet and none knows when and where this new influenza strain transferred from swine and started to spread in humans.

Most of researchers and scientists seemed to return towards La Gloria, a place where first case of swine flu was found. The scientists seem quite hopeful that they will definitely succeed to find out where the epidemic first began. They are taking fresh blood samples from pigs and villagers and also testing antibodies to find out about the ground zero of the disease.

According to some other experts, one needs not to worry about whatever happened in the Mexican town, as the infection has spread all around the globe. However, some other experts believe that this investigation will prove quite effective to prevent the spread of the disease in future. Read the rest of this entry