Different Medicare plans may cover a flu shot. Learn more about whether insurance will cover the shot and the importance of a flu shot through Humana.


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Does Medicare cover flu shots?

Influenza, or “the flu,” can be a serious illness for older adults. However, getting your annual flu shot can help reduce your risk of getting the flu and spreading it to others. And if you have Original Medicare, it’s free!1

Let’s explore details about the flu shot, the parts of Medicare that cover it and more.

The influenza vaccine, or “flu shot,” is a vaccine that helps protect against influenza viruses. New vaccines are created every year based on research to predict the most common flu viruses for the upcoming flu season (typically fall and winter). Most flu shots are given with a needle, commonly in the arm.2

There are 2 parts of Medicare that cover the flu shot: Part B (Medical Insurance) and Part C (Medicare Advantage plan).

Part B, which is part of Original Medicare, covers 1 seasonal flu shot once per flu season. Part C plans must provide all of the benefits of Original Medicare, so they also cover 100% of 1 seasonal flu shot. Some Part C plans may even cover a coinsurance or copayment for the flu shot if you get it from a doctor who accepts Medicare and the terms of your Medicare Advantage plan. 

Here’s a look at all 4 parts of Medicare and their flu shot coverage:

<a href="/medicare/medicare-resources/what-is-medicare-part-a" class="adj-link-standalone">Part A (Hospital Insurance)</a>

<a href="/medicare/medicare-resources/what-is-medicare-part-b" class="adj-link-standalone">Part B (Medical Insurance)</a>

<a href="/medicare/medicare-resources/what-is-medicare-advantage-part-c" class="adj-link-standalone">Part C (Medicare Advantage plan)</a>

<a href="/medicare/medicare-resources/what-is-medicare-part-d" class="adj-link-standalone">Part D (Prescription drug coverage)</a>

Learn more about Medicare

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A regular flu shot contains a traditional dose of flu virus antigens. These are typically given to healthy people under 65 years of age. 

High-dose flu vaccines, sometimes called “senior flu shots,” are typically given to people age 65 and older and include 3–4 times more antigens than traditional flu vaccines. Examples of high-dose vaccines include Fluzone High-Dose Quadrivalent, Flublock Quadrivalent and Fluad Quadrivalent. Studies have shown that high-dose flu vaccines can trigger a better immune response in older adults than the traditional flu vaccine.3

If you have Medicare Part B or Part C, you pay nothing for a flu shot.

How much is a flu shot without insurance?

If you don’t have Medicare or health insurance, the flu vaccine could cost $20–$120 out of pocket. The price can depend on the type of flu shot you get and where you get it.4

Note: High-dose (senior) flu shots can be more expensive than traditional flu shots.

According to the Centers for Disease Control and Prevention (CDC), flu vaccination can help:5

    Keep you from getting sick with the flu

    Reduce severity of illness if you get vaccinated but still get sick

    Reduce the risk of flu-associated hospitalization

    Shorten the length of a flu hospital stay

    Reduce the risk of ICU admission from flu

    Reduce the risk of death from flu



The CDC recommends that everyone 6 months and older get a flu shot every flu season (with rare exceptions). The CDC’s Advisory Committee on Immunization Practices has made this universal recommendation since the 2010–2011 flu season.2

If you only need 1 shot for the flu season, the CDC recommends getting it early September or October. It can take up to 2 weeks for your body to produce enough antibodies to fight the flu after getting the vaccine.6

Note: Flu activity usually peaks between December and February but can last as late as May.

Getting an annual flu shot is an important way to stay active, healthy and independent. To locate a nearby vaccine location, see how to find a flu shot near you.

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“Flu shots,” Medicare.gov, last accessed Feb. 5, 2025. 

Seasonal Flu Vaccine Basics,” Centers for Disease Control and Prevention, last accessed Feb. 5, 2025. 

“It’s Time to Get Your Flu Shot: What You Need to Know During Flu Season,” National Council on Aging, last accessed Feb. 5, 2025. 

 “How Much Does a Flu Shot Cost Without Insurance?,” Good Rx, last accessed Feb. 5, 2025. 

 “Benefits of the Flu Vaccine,” Centers for Disease Control and Prevention, last accessed Feb. 5, 2025. 

“Who Needs a Flu Vaccine,” Centers for Disease Control and Prevention, last accessed Feb. 5, 2025. 

“How Long Is the Flu Vaccine Effective?,” Health.com, last accessed Feb. 5, 2025.  



Medicare plan type	Flu shot coverage
Part A (Hospital Insurance)	Not covered under Part A
Part B (Medical Insurance)	Covered 100% under Part B
Part C (Medicare Advantage plan)	Covered 100% under Part C
Part D (Prescription drug coverage)	Not covered under Part D