What happens to unused flu vaccine?

Ideally, unused vaccines are returned to the vaccine manufacturer for proper disposition at the conclusion of flu season. Pharmacies must contact each manufacturer directly to determine their policies for returning unused doses.

When does influenza vaccine expire?

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.

How long can you keep flu vaccine in a syringe?

Previous reports suggested that an influenza vaccine in its original prefilled glass syringe packaging can be stored for a period from 72 h to 14 days at room temperature without any effect on product quality.

What is inactive influenza vaccine?

What is the inactivated influenza vaccine? The inactivated influenza vaccine is made of killed influenza viruses. It protects against viruses that cause influenza, often called the flu. The vaccine does not protect against other viruses or bacteria that cause colds or stomach flu.

How often should vaccine expiration dates be checked?

Check vaccine and diluent expiration dates a minimum of weekly to remove expired items from usable stock. 2.

What happens if flu vaccines are not refrigerated?

If flu vaccines are not refrigerated, have been frozen, or have been affected by a temperature excursion event, they will become less effective and potentially unsafe. Do not administer these vaccines to patients.

What is the difference between the senior flu shot and the regular one?

In response to a regular flu shot, older people produce 50\% to 75\% fewer antibodies, which protect against the vaccine antigens, than do younger adults. Studies have found higher antibody levels in older adults who received high-dose flu vaccines than in those who received standard-dose flu vaccines.

What happens if I get two flu shots in one year?

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.

Does the senior flu shot make you sick?

The senior flu shot is considered safe, but it may cause mild side effects related to inflammation and the body’s immune response. During the week after getting the vaccine, seniors may experience the following symptoms: Soreness, tenderness, redness, or swelling at the injection site. Headache or muscle aches.

What is the difference between the regular flu shot and the senior flu shot?

Some older adults may have weaker immune systems, which can lead them to be less protected after a regular flu vaccine. In response to a regular flu shot, older people produce 50\% to 75\% fewer antibodies, which protect against the vaccine antigens, than do younger adults.

How long can you store Covid vaccines?

storage where it can be stored for up to 1 month (31 days). Before mixing, the vaccine may be stored in the refrigerator between 2°C and 8°C (36°F and 46°F) for up to 1 month (31 days).

Do flu vaccines need to be refrigerated?

Does the flu vaccine need to be refrigerated? Yes. The flu vaccine must be stored in a refrigerator unit at a temperature between 35° and 46°F (2 and 8°C). The vaccine should never be frozen or kept outside of a refrigerator.