If the virus has been on surface for more then 8 hours then most likely you will not get it since it would die by then. but who knows how this virus was programmed by the government to kill the people. wash your hands with a mixture of a capful of hydrogen peroxide in a liter of water, since alcohol or purell do not kill this virus.

         The swine flu virus can remain upto 2-8 hours on the surface. wash ur hands when u shake hands or touch things in public places.

How to do after exposure to swine flu？

ANSWER：Suspected symptoms besides active checked to the hospital, and also to self defence.The most important，Do not contact with friends and colleagues, initiative, leave that to others.
Because, in preclinical virus by sneezing, coughing, saliva and physical contact etc, the swine flu virus will give that person, so close to the big spread swine flu.

The Swine Flu, H1N1, is a growing pandemic threat. <strong>How long is it from the time of exposure,</strong> until the time that symptoms appear, and also, to the time of contagion?
      How long can influenza virus remain viable on objects (such as books and doorknobs)?
Studies have shown that influenza virus can survive on environmental surfaces and can infect a person for up to 2-8 hours after being deposited on the surface.

1 Fever
2 Body ache
3 Sneezing, nasal discharge, coughing, and sore throat
4 Nausea, and diarrhoea
5 Occasionally, in sever cases, there could be vomiting and breathlessness
Origin of Swine Flu:
The H1N1 influenza virus is transmitted by droplet infection, i.e. through sneezing/coughing. It is highly infectious.