How long does the flu vaccine last?

How long does the flu vaccine last?

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.

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.

Can you get a flu shot any time of the year?

In the United States, flu season is from October to May. Most cases happen from late December to early March. It’s best to get the flu vaccine early in flu season, ideally by the end of October. That way, the body has time to make antibodies that protect it from the flu.

When should you get a flu shot in 2020?

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 the flu season. September and October are good times to get vaccinated.

Does it matter where you get a flu shot?

All of these administration sites work with certified medical professionals when administering a CDC-approved vaccine, meaning it doesn’t matter where you get the flu shot.

What is the best flu vaccine for 2020?

Flu Vaccine Options in 2020 The most commonly available flu vaccine, and the one recommended for most people, is called the quadrivalent flu vaccine. That “quad” in the name refers to the four flu virus strains the vaccine is designed to control: two influenza A viruses, and two influenza B viruses.

Who makes flu vaccine 2020?

TABLE 1. Influenza vaccines — United States, 2020–21 influenza season*

Trade name (Manufacturer)	Presentation	Route
FluLaval Quadrivalent (GlaxoSmithKline)	0.5-mL PFS	IM¶
Fluzone Quadrivalent (Sanofi Pasteur)	0.5-mL PFS**	IM¶
	0.5-mL SDV
	5.0-mL MDV

What is in flu shot 2020?

The influenza viruses contained in the trivalent 2020–2021 flu vaccine are: the influenza A virus H1N1, also known as the Guangdong-Maonan strain. the influenza A virus H3N2, also known as the Hong Kong strain. an influenza B virus known as the Washington strain.

What ingredients are in the flu vaccine 2020?

Here are some ingredients you’ll find in the flu shot:

• Egg protein. Many flu vaccines are made by growing the viruses inside fertilized chicken eggs.
• Preservatives. Vaccine manufacturers add the preservative thimerosal to multidose vaccine vials.
• Stabilizers.
• Antibiotics.
• Polysorbate 80.
• Formaldehyde.

What is the 2020 flu vaccine called?

These shots, called Fluad (trivalent) and Fluad Quadrivalent, are another option for flu vaccines that are approved for people agesr.

What ingredients are in the flu shot 2020?