Key Facts About Seasonal Flu Vaccine
Why should people get vaccinated against the flu?
How do flu vaccines work?
What kinds of flu vaccines are available?
- Standard dose trivalent shots that are manufactured using virus grown in eggs. These are approved for people ages 6 months and older. There are different brands of this type of vaccine, and each is approved for different ages. However, there is a brand that is approved for children as young as 6 months old and up.
Seasonal Flu Shot: Questions and Answers
- A standard dose trivalent shot containing virus grown in cell culture, which is approved for people 18 and older.
Cell-based Flu Vaccines: Questions and Answers
- A standard dose trivalent shot that is egg-free, approved for people 18 through 49 years of age.
Flublok Seasonal Influenza (Flu) Vaccination: Questions and Answers
- A high-dose trivalent shot, approved for people 65 and older.
Fluzone High-Dose Seasonal Influenza Vaccine: Questions and Answers
- A standard dose intradermal trivalent shot, which is injected into the skin instead of the muscle and uses a much smaller needle than the regular flu shot, approved for people 18 through 64 years of age.
Intradermal Influenza (Flu) Vaccination: Questions and Answers
- A standard dose quadrivalent shot
Quadrivalent Flu Vaccine Fact Sheet
- A standard dose quadrivalent flu vaccine, given as a nasal spray, approved for healthy* people 2 through 49 years of age
Live Attenuated Influenza Vaccine [LAIV] (The Nasal Spray Flu Vaccine): Questions and Answers
Are any of the available flu vaccines recommended over others?
Who should get vaccinated this season?
- People who are at high risk of developing serious complications (like pneumonia) if they get sick with the flu.
- People who have certain medical conditions including asthma, diabetes, and chronic lung disease.
- Pregnant women.
- People younger than 5 years (and especially those younger than 2), and people 65 years and older.
- A complete list is available at People Who Are at High Risk of Developing Flu-Related Complications.
- People who live with or care for others who are at high risk of developing serious complications.
- Household contacts and caregivers of people with certain medical conditions including asthma, diabetes, and chronic lung disease.
- Household contacts and caregivers of infants less than 6 months old.
- Health care personnel.
Special Consideration Regarding Egg Allergy:
Who Should Not Be Vaccinated?
- People who have had a severe reaction to an influenza vaccination.
- Children younger than 6 months of age (influenza vaccine is not approved for this age group), and
- People who have a moderate-to-severe illness with or without a fever (they should wait until they recover to get vaccinated.)
- People with a history of Guillain–Barré Syndrome (a severe paralytic illness, also called GBS) that occurred after receiving influenza vaccine and who are not at risk for severe illness from influenza should generally not receive vaccine. Tell your doctor if you ever had Guillain-Barré Syndrome. Your doctor will help you decide whether the vaccine is recommended for you.
When should I get vaccinated?
Where can I get a flu vaccine?
Why do I need a flu vaccine every year?
Does flu vaccine work right away?
Can I get seasonal flu even though I got a flu vaccine this year?
Will this season's vaccine be a good match for circulating viruses?
Can the vaccine provide protection even if the vaccine is not a "good" match?
Can the flu vaccine give me the flu?
- Soreness, redness, or swelling where the shot was given
- Fever (low grade)
- Runny nose
- Muscle aches
- Runny nose
- Sore throat