Keystone Mercy Health Plan wants you and your family to stay healthy. The best way to do that this flu season is to get flu shots. There are two types of flu this season, the seasonal flu that comes every year and the H1N1 flu, also called the swine flu. You will need separate flu shots for each type of flu. To schedule an appointment for your flu shots or if you have questions, call your PCP. If you need help with your health care needs, please call 1-800-573-4100. Remember, the best way to prevent the flu is to get your flu shots so don't delay, call your PCP today.