Tag: flu shot myths

Updated Recommendations to Prevent and Control the Flu from the CDC

Every year, we get updated recommendations on how to best prevent and control the flu from the CDC and the Advisory Committee on Immunization Practices.

Updated Recommendations to Prevent and Control the Flu from the CDC

Sometimes that means big changes, but often it doesn’t.

Updated Recommendations to Prevent and Control the Flu from the CDC

What about this year?

“This report includes no substantial changes from the 2018–19 recommendations.”

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2019–20 Influenza Season

No substantial changes. That makes it easy to report!

So as usual, everyone who is at least 6 months old without a contraindication should get a flu vaccine this year.

“Balancing considerations regarding the unpredictability of timing of onset of the influenza season and concerns that vaccine-induced immunity might wane over the course of a season, it is recommended that vaccination should be offered by the end of October.”

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices — United States, 2019–20 Influenza Season

And be sure your kids get vaccinated and protected before flu season starts.

What else is there to know about the upcoming, 2019-20 flu season?

  • flu vaccine is already becoming available in doctor’s offices, pharmacies, and clinics
  • despite some initial delays, up to 169 million doses of flu vaccine will be available for the 2019-20 flu season
  • FluMist will be in short supply this year, but it is available

Anyone have predictions for what kind of flu season we will have?

More on Recommendations to Prevent and Control the Flu

Do Flu Vaccines Have More Reported Side Effects Than Other Vaccines?

Flu vaccines are safe, with few side effects.

Anti-vaccine propaganda scares people about flu shots.

So why do some people think that they are dangerous and have a lot of side effects?

Do Flu Vaccines Have More Reported Side Effects Than Other Vaccines?

Unlike most things anti-vaccine folks say, there is a hint of truth to the idea that flu vaccines have more reported side effects than other vaccines.

Why?

Just over 160 million doses of flu vaccine will be distributed in the United States this season.
Just over 160 million doses of flu vaccine will be distributed in the United States this season.

Since 2006, over 1.6 trillion doses of flu vaccine have been distributed in the United States, which equals about the combined total of all the other vaccines we use, including DTaP, rotavirus, hepatitis B, MMR, Tdap, and HPV, etc.

Overall, since we give so many more flu vaccines than any other vaccine, we can expect to get more reports of side effects from those flu vaccines.

That’s simple math.

On the other hand though, after getting a flu vaccine, you should not expect to have any extra side effects as compared to getting any other vaccine.

Remember, side effects from flu vaccines are generally mild and go away quickly. And more serious side effects are rare.

Get your flu vaccine and avoid getting the flu.

More on Flu Vaccine Reported Side Effects

Has the CDC Decided to Extended Flu Season Indefinitely?

As most people know, flu season traditionally goes from about December to March, with a peak in February.

That’s really just the peak times of flu activity though.

“While seasonal influenza (flu) viruses are detected year-round in the United States, flu viruses are most common during the fall and winter. The exact timing and duration of flu seasons can vary, but influenza activity often begins to increase in October. Most of the time flu activity peaks between December and February, although activity can last as late as May.”

The Flu Season

Sometimes flu season starts earlier or goes later and technically, you can get the flu during any month of the year.

Has the CDC Decided to Extended Flu Season Indefinitely?

Does that mean it’s true, that flu season has been extended indefinitely?

Of course not!

It's not too late to get a flu shot! That part is true.
It’s not too late to get a flu shot! That part is true.

Surprisingly, local media in Las Vegas did actually run a story this story, with that quote.

And the CDC?

The last Situation Update: Summary of Weekly FluView Report, from March 21, says that “overall influenza activity decreased since last week, but remains relatively high for this time of year.”

“CDC expects flu activity to remain elevated for a number of weeks.”

Situation Update: Summary of Weekly FluView Report

So flu season isn’t over yet.

But that hardly means that it is never going to end!

Flu season has peaked and is starting to wind down.

But since you might expect flu activity through April and May, as we see in most years, it isn’t too late to get a flu vaccine.

“Vaccination can still be beneficial as long as flu viruses are circulating. If you have not been vaccinated by Thanksgiving (or the end of November), it can still be protective to get vaccinated in December or later. Flu is unpredictable and seasons can vary. Seasonal flu disease usually peaks between December and March most years, but disease can occur as late as May.”

Misconceptions about Seasonal Flu and Flu Vaccines

That is the standard advice that is given every year. It is never too late to get a flu vaccine if you are unvaccinated and want to get protected while there is still flu activity in your area.

What about the idea of twice a year flu vaccines?

“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 some children, only one dose of flu vaccine is recommended each season.”

Misconceptions about Seasonal Flu and Flu Vaccines

And yes, there have been fewer flu deaths this year, but that’s compared to one of the worst flu seasons on record!

Compared to this time last year though, there are more pediatric flu deaths in Clark County, Nevada.

It’s a good reminder that flu season isn’t over, although thankfully it won’t go on indefinitely, but still, it’s not too late to get a flu shot and get protected for the rest of this year’s flu season.

More on the Myth that Flu Season has been Extended Indefinitely

Can I Get a Second Flu Shot for Extra Protection?

If one flu shot is good, wouldn’t two be better?

Can I Get a Second Flu Shot for Extra Protection?

Some people do get a second flu shot.

In fact, all kids eight years and younger, if it is their first time getting a flu vaccine, get two doses of flu vaccine.

How many doses of flu vaccine will your kids need this year?
How many doses of flu vaccine will your kids need this year?

The first dose is a priming dose and the second, at least 28 days later, is a booster dose.

Why do we do it that way?

Because studies have shown that is the best way to do it.

We don’t need to use this same priming/booster strategy in older children and adults though.

But with recent talk that protection against the flu after a flu vaccine might wane before the end of a flu season, some folks are likely wondering if they should just get another flu shot later in the season.

“Revaccination later in the season of persons who have already been fully vaccinated is not recommended.”

Prevention and Control of Seasonal Influenza with Vaccines: Recommendations of the Advisory Committee on Immunization Practices—United States, 2018–19 Influenza Season

And the official answer is no, except for younger children getting vaccinated for the first time, you should just get one dose per season.

Why not?

Mostly because a lot of studies haven’t been done to see what effect that second dose will have. And since some studies have even suggested that regular annual flu vaccines could actually lower vaccine effectiveness, you would want to know if getting an extra flu vaccine was safe and effective before we started to do it.

Not surprisingly, someone has looked into this already. One small study, Influenza revaccination of elderly travelers: antibody response to single influenza vaccination and revaccination at 12 weeks, actually showed that a second dose in the same season “did not enhance the immune response.”

So just one flu vaccine per season.

“Prior-season vaccination history was not associated with reduced vaccine effectiveness in children, supporting current recommendations for annual influenza vaccination of children.”

McLean et al on Association of Prior Vaccination With Influenza Vaccine Effectiveness in Children Receiving Live Attenuated or Inactivated Vaccine

But do get a flu vaccine every season.

Again, while there were some reports that an annual flu vaccine could lower vaccine effectiveness, other studies have disproven this.

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