Flu Shot? Or Not?

It’s that time of year again and we’re getting lots of questions about whether or not to get a flu vaccine. There is no across the board “yes” or “no” answer to this controversial question because the answer depends on who you are, if you are high risk or not, and what your personal beliefs and preferences hold.  At 4 Better Health, Inc we consider ourselves integrative providers which means we use the best research and treatment modalities from both the conventional medical world and the functional medicine approach.

Conventional medicine and news media heavily promote flu shots for healthy people and they are now often mandatory in some settings. This leads the masses to believe they’re the best and most effective approach to preventing the flu- so of course most would want to have the flu vaccine. When we researched the science in support of these strong recommendations it isn’t as impressive as we’d hoped. In January 2018, U.S. government officials finally publicly admitted that flu vaccines were on average 20 to 60 percent effective over the last thirteen years at preventing lab confirmed influenza requiring medical care.

February 2018 the prestigious Cochrane Collaboration (an independent group who does meta-analyses of studies on various topics to try to reach consensus) updated their analysis of the effectiveness of the influenza vaccination in healthy adults, elderly (>65) and children.

Here are some of their conclusion regarding the flu vaccine:

Healthy adults reduced experiencing the flu from 2% to just under 1% and possibly experienced less influenza-like-illness when vaccinated. The impact of the vaccination in healthy adults (including pregnant women) was modest. There was low certainty that the flu shot reduced hospitalizations or time off from work (translation- it doesn’t appear to do either of these things). There were no serious adverse events from the vaccine but a small increase in fever.

In older adults (>65) the risk of flu decreased from 6% to 2.4% with the flu shot with possible lowering of the risk of influenza-like-illness. It wasn’t clear if the vaccine prevented complications or hospitalization. The Cochrane reviewers thought this evidence was of low certainty due to how the flu was diagnosed in the studies. The authors concluded “The available evidence relating to complications is of poor quality, insufficient, or old and provides no clear guidance for public health regarding the safety, efficacy, or effectiveness of influenza vaccines for people aged 65 years or older.”

Studies of live attenuated vaccines in kids ages 3-16 years showed a reduced risk from 18% to 4%. Inactivated vaccines reduced the risk in kids ages 2-16 from 30 to 11%. There were very few studies on children under the age of two. One type of vaccine was associated with sudden loss of muscle tone but there was no clear evidence of serious harm.

The evidence for healthy people is not as compelling as we’ve been led to believe, particularly for healthy adults. There appears to be modest benefit in children ages 2-16.

Decrease in transmission to others and complications from the flu weren’t clearly seen in the data.

All this said, there were no significant adverse effects related to vaccination.

Functional Medicine approach

In Functional Medicine we don’t discount that vaccines can be lifesaving.
We support individuals with a full functional (i.e. systems) approach, supporting the immune system to work optimally, reduce inflammatory immune system ‘distractions’, and recommend patients follow their intuition for what is best for them and their family.

Bottom Line:

  • There is no right or wrong answer/decision.
  • The vaccine efficacy to prevent the flu appears to be overrated per published reports of available science and alone do not optimize the immune system to fight the flu.
  • For optimal immune system function it is imperative to support manage stress and get adequate sleep. Acupuncture, meditation, outdoor walks and yoga are great for this.
  • Whether you decide to get the flu vaccine or not – it is your choice and the risks of getting the flu must outweigh against the risk of possible flu vaccine reactions
  • You may benefit – especially if you are over 65 years old and immuno-compromised, and it’s unlikely you’ll have serious adverse effects from the vaccination making it a reasonable choice.
  • Each of us must decide what is best for us as an individual and as a family.

Whether or not to get the flu shot should be your decision to support you 4 better health.

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