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Long Does The Flu Shot Last

Summarized by PlexPage
Last Updated: 02 July 2021

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General | Latest Info

Give potential complications of the flu and that some people are at increased risk for them, you may wonder just how long Flu Shot lasts and if it will offer you the complete protection that you seek. The Effects of Vaccine generally only last through one Flu Season, which is about six months long. That's part of the reason you need one every year. Starting two weeks after you get the Flu Shot, you should be protected from certain Influenza viruses for the remainder of that Flu Season. Give delay, properly timing your Flu Shot is important.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Changing Flu Strains

It starts in October. Peaks sometime between December and February. Tapers off by April or, at latest, May, Centers for Disease Control and Prevention recommend getting vaccinated by the end of October. If you miss that date, though, don't consider it too late. The worst of season is still ahead, so it's still worthwhile to get shot in January or even later. Because flu vaccine effectiveness starts to wane after about six months, it's not a good idea to get it too early, such as in July or August. You want to make sure you re protect through winter months and into spring. Flu vaccines work by getting your immune system to produce antibodies to specific strains of influenza virus. Then, if a virus finds its way into your body, your immune system already has tools to fight it. It takes time for your body to create antibodies, though, and they don't last forever. The flu vaccine isn't fully in effect for the first two weeks after you get it. That means you are most protected when you get shot before people around you start coming down with the flu. Then, after about six months, number of antibodies in your immune system starts to decline.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

How Effective Are Flu Vaccines?

Cdc recommends annual Influenza vaccinations for everyone aged 6 months or older. Vaccination is especially important for people at high risk of Influenza complications, including: pregnant women Older adults Young children children between 6 months and 8 years may need two doses of Flu Vaccine, given at least four weeks apart, first time they are given Flu Vaccine. After that, they can receive single annual doses of Flu Vaccine. A 2017 study show that Vaccine significantly reduces children's risk of dying of the flu. Check with your child's doctor. Chronic medical conditions can also increase your risk of Influenza complications. Examples include: asthma, Cancer or Cancer treatment, Chronic obstructive pulmonary disease, cystic fibrosis, Diabetes, HIV / AIDS, Kidney or liver disease, Obesity. Anyone with a chronic medical condition should get Flu Vaccine. Check with your doctor before receiving flu vaccine if: you have had severe reaction to previous flu vaccine. Flu Vaccine isn't recommended for anyone WHO had severe reaction to previous Flu Vaccine. Check with your doctor first, though. Some reactions might not be related to the vaccine. If you have egg allergy, you can still receive Flu Vaccine.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Flu shot Q&A

In the United States, flu cases begin to increase in October and are highest between December and February. However, person can still get sick from the flu as late as May. The exact timing of flu season varies from year to year. According to the CDC, best time to get flu shot is by end of October. However, individuals can get flu shot at any time of year. It is still better to get a shot as early as September or as late as January than not to get one at all. If someone gets a flu shot too early, vaccine may not last the entire Flu Season. Person should ask their doctor when they should have a flu shot, especially if they have any underlying health conditions or are aged 65 years or over.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Flu and COVID-19 Q&A

There are many different flu viruses and they are constantly changing. The composition of US Flu vaccines is reviewed annually and updated as needed to match circulating flu viruses. Flu vaccines protect against three or four viruses that research suggests will be most common. For 2020 - 2021, trivalent egg - base vaccines are recommended to contain: / Guangdong - Maonan / SWL1536 / 2019 pdm09 - like virus / Hong Kong / 2671 / 2019 - like virus B / Washington / 02 / 2019 - like virus Quadrivalent egg - base vaccines, which protect against second lineage of B viruses, are recommended to contain: three recommended viruses above, plus B / Phuket / 3073 / 2013 - like virus. For 2020 - 2021, cell - or recombinant - base vaccines are recommended to contain: / Hawaii / 70 / 2019 pdm09 - like virus / Hong Kong / 45 / 2019 - like virus B / Washington / 02 / 2019 - like virus B / Phuket / 3073 / 2013 - like virus yes, this season Flu vaccines were updated to better match viruses expect to be circulating in United States. Egg - base H1N1 Vaccine component was updated from / Brisbane / 02 / 2018 pdm09 - like virus to / Guangdong - Maonan / SWL1536 / 2019 pdm09 - like virus. Cell - or recombinant - base H1N1 Vaccine component was updated from / Brisbane / 02 / 2018 pdm09 - like virus to / Hawaii / 70 / 2019 pdm09 - like virus. The Egg - base H3N2 Vaccine component was updated from / Kansas / 14 / 2017 - like virus to / Hong Kong / 2671 / 2019 - like virus. Cell - or recombinant - base H3N2 Vaccine component was updated from / Kansas / 14 / 2017 - like virus to / Hong Kong / 45 / 2019 - like virus. B / Victoria lineage Vaccine component was updated from B / Colorado / 06 / 2017 - like virus to B / Washington / 02 / 2019 - like virus. B / Yamagata lineage Vaccine component was not update. Are there any new vaccines licensed for use during the 2020 - 2021 Flu Season? There are two new vaccines licensed for use during the 2020 - 2021 Flu Season. First is the Quadrivalent High - Dose Vaccine license for use in adults 65 years and older. This vaccine will replace the previously licensed trial High - Dose Vaccine. The second new Vaccine that will be available is Quadrivalent adjuvanted Vaccine license for use in adults 65 years and older. This vaccine is similar to previously licensed trial vaccine containing MF59 adjuvant, but it has one additional Influenza B component. There is no change in CDC recommendation on timing of vaccination this Flu Season. Getting vaccinated in July or August is too early, especially for older people, because of the likelihood of reduced protection against flu infection later in flu season. September and October are good times to get vaccinate. However, as long as flu viruses are circulating, vaccination should continue, even in January or later. Currently, vaccine manufacturers are not reporting any significant delays in distributing Flu Vaccine this season. Because a record number of Flu Vaccine doses are being manufactured this year, time to produce and distribute them will be longer. Cdc will continue to provide weekly updates on total Flu Vaccine doses distributed throughout the 2020 - 2021 Flu Season. Use VaccineFinder external icon external icon to find out where to get vaccinate near you. Influenza and COVID - 19 are both contagious respiratory illnesses, but they are caused by different viruses. Covid - 19 is caused by infection with a new coronavirus and Flu is caused by infection with Influenza viruses.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Summary

Flu is a potentially severe illness that primarily affects the respiratory tract, including lungs. Highly contagious Influenza virus causes it. Symptoms of flu typically come on suddenly and include fever, body aches, and cough. Flu can be lethal, especially in certain groups of people, including: young children, older adults, those with underlying health issues. Experts recommend yearly flu shots for flu prevention for people who are at least 6 months old. The best time to get flu shot is by end of October. Benefits of flu shots include prevention Against flu and its potentially lethal complications. Any side effects of flu shot are usually mild.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

How the flu vaccine works

Development of seasonal Flu Vaccine actually begins many months ahead of flu season. Viruses used in Vaccine are based on extensive research and surveillance into which strains will be most common during the upcoming season. Seasonal Flu vaccines protect against two types of influenza viruses: influenza and influenza B. They can also be either trivalent or quadrivalent. The trial vaccine protects against three flu viruses: two influenza viruses and influenza B virus. Quadrivalent Vaccine protects against the same three viruses as trivalent Vaccine, but it also includes an additional influenza B virus.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Factors in flu shot effectiveness

Influenza viruses are constantly changing and evolving rapidly. Circulating influenza viruses can mutate from one season to the next. Researchers need to select specific influenza viruses to include in Vaccine many months before Flu season begin. This means what is in the vaccine may not always match what is actually circulating during flu season. This can decrease the effectiveness of seasonal Flu Vaccine. Age can also play a role in Vaccine efficacy because your immune system tends to become weaker as you age. The Food and Drug Administration has approved High - Dose Flu Vaccine for people 65 and older. The higher dose is aimed at providing better immune response and therefore better protection within this age group. Multiple studies have shown increased effectiveness for those over 65 with High - Dose Vaccine.S Cdc also recommends that some children between the ages of 6 months and 8 years receive two doses of influenza Vaccine during the first season in which theyre are vaccinated in order to have sufficient protection. It is still possible to get Flu after being vaccinate, but research has shown that illness may be less severe and that people who receive Flu shots may be less likely to be admitted to hospital if they get flu.


How effective is the flu vaccine?

Seasonal flu Vaccines are designed to protect against infection and illness caused by three or four influenza viruses that research indicates will be most common during flu season. Trivalent flu Vaccines are formulated to protect against three flu viruses, and quadrivalent flu Vaccines protect against four flu viruses. Flu Vaccines do not protect against infection and illness caused by other viruses that also can cause flu - like symptoms. There are many other viruses besides flu viruses that can result in flu - like illness * that spread during flu season. These non - flu viruses include rhinovirus and respiratory syncytial virus, which is the most common cause of severe respiratory illness in young children, and the major cause of severe respiratory illness in adults aged 65 years and older.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Takeaway

Influenza viruses cause seasonal epidemics of respiratory illness every year and this year is particularly dangerous due to the ongoing COVID - 19 pandemic. While some people might experience mild illness, others may experience more serious infections requiring hospitalization. Getting your flu shot each year is the best way to decrease your chances of getting sick with the flu. Additionally, when more people receive Flu Vaccine, virus is less able to circulate in the community. You should aim to receive your flu shot every fall before influenza virus activity begins to pick up within your area. If you experience any symptoms of cold or flu, it is important to avoid contact with others and get test for Flu and COVID - 19.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

Sources

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions.

* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

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