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I normally (almost always) get sick about 4 times a year, once every season change. Bad cold, bronchitis, etc.

I've not had so much as a sniffle since March.

Plenty of human interaction for me since May. Still nothing.

I had to discard all of my Mucinex and other crap. Expired.

Yeah I think the mask-wearing and distancing and cancellation of most large-scale events and limited capacity in many public spaces have a lot more to do with the decrease in flu rates, than any change to the number of flu vaccines does.

Many of us predicted this in the summer-- the same behaviors that reduce transmission of the novel coronavirus, also diminish the transmission of the flu. 

200,000,000 vaccinations probably helped too.

Flue vacine number is only up from 174M to 189M year-over-year, which is 8.6%.  I don't think that explains much, if any, of a 91% drop in flu rate.

I normally (almost always) get sick about 4 times a year, once every season change. Bad cold, bronchitis, etc.

I've not had so much as a sniffle since March.

when our children left home we stopped getting colds

I have not had a cold in years

The season is not over. People are still getting the shot. And, an 8.6 percent (now much higher) increase in vaccinations COULD lead to such a drop.

Weekly National Flu Vaccination Dashboard | FluVaxView | Seasonal Influenza (Flu) | CDC

• As of January 1, 2021, 192.5 million doses of flu vaccine have been distributed in the United States. This is the highest number of flu doses distributed in the United States during a single influenza season.

This is a big number too:

• As of MMWR week 52 (ending Dec 26, 2020), an estimated 47.1 million adult flu vaccinations had been administered in pharmacies compared with 33.2 million at the same time during 2019 (42% higher in 2020).

Those numbers are fine.

I don't think they come anywhere close to explaining a 91% drop in flu rate nationally.  Given the YoY increase %, it's a drop in the bucket.

Mask-wearing, distancing, isolation, washing hands, cancellation of nearly all large-scale events, decreased or eliminated in-person capacity at bars and restaurants-- these are the things that have led to the massive drop in flu rates.

Exactly as many of us predicted here on this very thread, last summer.  And exactly as it occurred in Australia and other Southern Hemisphere locations whose 2020 flu season preceded ours.

You don't think a 42 percent increase in adult vaccinations contributes?

I mean, not everyone is washing their hands, distancing and wearing masks.

Mask use is about 75 percent nationwide. 25 percent is a lot of people.

Mass Work From Home.  Cancellation of all large-scale events nationwide.  No concerts.  No State Fairs.  Restaurants at 50% or less all across the nation.  Bars closed in various places all across the nation.  The most massive shut-down of public events and spaces in US history.  Plus increased mask-wearing, hand-washing, social distancing, etc.  

Yeah, I think all of that's a FAR greater contributor than flu vaccines, which we know can be something like 40%-50% effective.  The CDC estimates the 2019-2020 flu vaccine was only 37%-50% effective depending on strain.

So no, I don't think it's anywhere close to a major contributor to a 91% drop in flu rate YoY.