Just remember to also use clinical judgement when deciding to treat or not to treat when you have a strong suspicion of the swine flu. Read below:

Rapid influenza tests often fail to show swine flu Sales of rapid flu tests are soaring, but a new study found they may fail to detect swine flu more than 50% of the time. Low sensitivity is a concern, because a false negative reading can mean a patient who really does have the flu will not get anti-flu drugs. The New York Times