Regular practice of Pranayama (Bastrika and Kapalabhati), will increase the lungs capacity and immunity against any infection especially swine flu
Home remedies for Swine Flu

Juice of tulsi (basil) with honey
Fresh ginger juice with hone
Clove powder with milk
Cinnamon bark powder with milk/ warm water
Fresh juice of pepper mint / powder with warm water
Cardamomum powder
Turmeric powder

Source: http://www.rvita.com/index.php?option=com_content&sub_itemid=3&task=view&id=6885&sec_id=10&cat_id=-1&mode=research

Swine flue is an infection by different types of swine influenza virus.  swine flue also called H1N1 flu, hog flu, swine influenza, and pig flu.
for more details visit : http://en.wikipedia.org/wiki/Swine_influenza