How Long Does The Flu Vaccine Protect You For?

How long are you contagious with the flu?

People with flu are most contagious in the first three to four days after their illness begins.

Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick..

How long does the flu shot last 2020?

The flu shot offers protection against the flu for at least 6 months. Healthcare professionals usually vaccinate most people in October, when flu activity typically begins to increase, so their immunity will last until the following April.

Does it really take 2 weeks for the flu shot to work?

Does flu vaccine work right away? No. It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection. That’s why it’s best to get vaccinated before influenza viruses start to spread in your community.

Can you have 2 flu vaccines in a year?

All infants, children and adults# All people ≥6 months of age are recommended to receive annual influenza vaccine. A single annual dose of influenza vaccine is recommended for most people. Usually, receiving 2 separate doses in the same season is not recommended, but not contraindicated.

What can you not do after a flu shot?

Exercising the arm or applying a cold pack later in the day will minimize the discomfort; if necessary take ibuprofen or acetaminophen to ease the pain. Symptoms may start 6-12 hours after the flu shot. If any of these symptoms do not go away in 1-2 days or get worse see your doctor.

How long does a flu shot protect you?

How long does immunity from influenza vaccine last? Protection from influenza vaccine is thought to persist for at least 6 months. Protection declines over time because of waning antibody levels and because of changes in circulating influenza viruses from year to year.

Does the flu shot weaken your immune system?

Getting a flu shot does not weaken your immune system and make you more likely to get the flu. Getting a flu vaccine prepares your immune system for the flu. A flu vaccine teaches your immune system to recognize that virus as a threat.

Is it OK to get 2 flu shots?

In adults, studies have not shown a benefit from getting more than one dose of vaccine during the same influenza season, even among elderly persons with weakened immune systems. Except for children getting vaccinated for the first time, only one dose of flu vaccine is recommended each season.

Is the flu shot available now 2020?

There are two new vaccines licensed for use during the 2020-2021 flu season. The first is a quadrivalent high-dose vaccine licensed for use in adults 65 years and older. This vaccine will replace the previously licensed trivalent high-dose vaccine.

Can getting the flu shot twice hurt you?

Do not worry if you get two flu shots in one flu season. In fact, kids under 9 years old getting the flu shot for the first time get two flu shots that first flu season. For an adult, two flu shots are not necessary, but also not dangerous.

What month Should you get a flu shot?

CDC recommends that people get a flu vaccine by the end of October. However, getting vaccinated early (for example, in July or August) is likely to be associated with reduced protection against flu infection later in the flu season, particularly among older adults.

How long does flu shot pain last?

Swelling, redness and soreness are common after the flu shot and can last 24-48 hours. “If you always experience soreness or swelling after a flu vaccination, take an ibuprofen about 2 hours prior to vaccination,” suggests Dr.

How effective is the flu shot 2020?

CDC’s influenza vaccination coverage reports show that overall flu vaccination coverage (among people 6 months and older) during 2019-2020 increased from the previous season to nearly 52%.

Do previous flu shots protect you?

Study: Prior flu vaccines may provide residual protection “We found current season influenza vaccines were effective against the flu regardless of vaccine history, showing that vaccination still offers the best prevention against getting the flu.

Is there a downside to getting the flu shot?

Some possible downsides to flu shots include: only about 40–60% of flu shots are effective in preventing the flu each year. they can take up to 2 weeks to start working. sometimes, they cause mild side effects, such as pain, redness, and swelling at the injection site.

What months is flu season 2020?

In the United States, flu season occurs in the fall and winter. While influenza viruses circulate year-round, most of the time flu activity peaks between December and February, but activity can last as late as May.