A4. Log in to your Aetna member website or use the Find a Provider link at https://www.covahealthaware.com/ to identify participating providers—just enter a convenient city and state, or zip code, and then search for flu shot. Click on “Find a Flu Shot and Vaccine Provider” to find participating providers and walk-in clinics that can provide a flu shot. When you click on providers, you will get additional information regarding their specific processes. For some, you can even schedule an appointment online. Remember, not all providers can administer the vaccine, so be sure that administration is available and that there is an adequate supply of the vaccine. Contact the specific provider to confirm availability.