Phil Kerpen Profile picture
May 7, 2021 34 tweets 15 min read Read on X
Friday Fluday Thread: Influenza-Like Illness Data for MMWR Week 17, ending May 1, 2021
United States Influenza testing, MMWR week 17.

CDC flu view. cdc.gov/flu/weekly/ind…

2016 to 2019 4-year average: 1,243 cases; 8.50% positive
2020: 48; 0.41%
2021: 15; 0.05%

docs.google.com/spreadsheets/d… Image
United States Influenza testing, season to date (31 weeks, MMWR 40 to 17)

Five-year average: 206,764 cases; 18.45% positive

This year: 2,059; 0.14% Image
Season-to-date U. S. flu hospitalizations down 98.9% from last year.

Flu hospitalizations (31 weeks) in FluSurv-NET catchment is 226 (+2 from last week). Through week 17 last year (30 weeks) it was 20,038 (+106).

Rate last year: 69.0 per 100K
This year: 0.8 per 100K ImageImage
Influenza-Like Illness (ILI) continues to be historically low and flat again this week. Image
Latest U.S. non-SARS-CoV2 syndromic data from BioFire.

Lots of rhinoviruses (just ticked down, potential peak forming?) and some adenoviruses all year.

Flu A, B micro-wave already over. RSV, and PIV back at low levels.

HCoVs back and rising.

syndromictrends.com ImageImage
Out-of-season HCoV wave continues.

HCoV NL-63 has peaked. HCoV-OC43 still rising sharply. HCoV-229E rising at lower levels. Last year's dominant HCoV-HKU1 still near zero. ImageImage
CDC data shows the same picture. cdc.gov/surveillance/n… Image
CDC HCoVs by region. cdc.gov/surveillance/n… ImageImageImageImage
Florida. Schools open all year. No lockdowns since September. Rhinoviruses and adenoviruses all year.

Flu finally reappeared in one region.

Recent ILI rise -- driven by rhino, RSV, adeno, and especially PIV -- leveling off?

RSV ED visits rise again.

floridahealth.gov/diseases-and-c… ImageImageImageImage
Sweden week 17. No masks, no lockdowns, no school closures under age 16 -- and a full year with no Flu A, Flu B, or RSV; RSV level after reappearing finally three weeks ago. HCoVs resume rise.

karolinska.se/globalassets/g… ImageImageImageImage
Germany week 17. Rhinoviruses fall. As last week, slight decrease for HCoVs and increase for SARS-CoV2, so that inverse relationship holds.
influenza.rki.de/Wochenberichte… Image
Brazil. Very lax control measures, and a president who urges people to disregard them. A completely skipped flu season.
apps.who.int/flumart/Defaul… Image
The global flu chart from WHO.
apps.who.int/flumart/Defaul… Image
It wasn't masks, which were never used in many countries where flu disappeared and have also been shown to be ineffective for stopping influenza in many, many studies.

apps.who.int/iris/bitstream… Image
Japan masks every year, and pushed masks hard in 2019 with no apparent effect. But in 2020-21 flu disappeared with low stringency COVID intervention.
apps.who.int/flumart/Defaul… Image
The idea mitigations worked but unmitigated SARS-CoV2 just has a higher R (popular now among the same crowd that still said "twindemic!" when flu had been gone for months) is way too facile. Image
Outside of testing ramp up, I don't think we've seen R > 2, even in places without NPIs.

Rhinoviruses bounced right back despite lower R and RSV was gone until recently with comparable R to SARS-CoV2.

HCoVs were gone until SARS-CoV2 declined, then returned even with lockdown.
Plus, as Biden adviser Dr. Michael Osterholm points out, our mitigation just hasn't been very effective.

Maybe in places like Australia and New Zealand where mitigations stopped SARS-CoV2 they also stopped other viruses.

But in countries where SARS-CoV2 went wild? No. Image
Osterholm: "There is this viral interference"
Viral interference is a well-known (but poorly understood) phenomenon. Interference from rhinovirus is generally thought to have ended the swine flu epidemic in 2009.
thelancet.com/journals/lanmi…
This great short article from @m_soond explains the viral interference theory of this respiratory season:
medium.com/illumination-c…
Overall the season has been so mild that drug store chains took big losses.

Rite Aid CEO Heyward Donigan: "During the fourth quarter our industry was impacted by a historically soft cough, cold and flu season."
forbes.com/sites/brucejap…
Pediatric internships and residencies have to be extended or supplemented because they just didn't have enough patients to gain the normal amount of clinical experience.
aappublications.org/news/2021/03/1…
CDC still reports just one pediatric flu death this season. Image
The numbers in chart in previous tweet are lab-confirmed only, but flu testing is very limited (see totals at top of thread) so CDC also publishes best estimates of total pediatric flu deaths.
cdc.gov/flu/about/burd… Image
COVID testing is much, much more abundant that flu testing and the definition of deaths typically used (any cause of death within 30-60 days of a positive test result) tends to overcount.
The CDC examined 182 pediatric death certificates that included COVID in calendar year 2020 and found that 64 of them (35%) had a cause of death with no plausible connection to COVID.
Keeping that in mind, this table compares CDC best estimates of pediatric flu deaths in recent years with the first two seasons of pediatric COVID deaths.

(Note that everywhere in the world where COVID was epidemic, it circulated *instead of*, not in addition to, influenza.) Image
We are now near the end of the *safest* respiratory season for children ever recorded. (Even where schools never closed and nobody masked.)

Yet many places locked children out of school, and some places are still doing so. Many more kids are masked. It's a disgrace.
Absurd lie from Fauci.

What data shows masks stopped flu? The data showing zero flu in places with no masking? All the RCTs?

@chucktodd just lets that nonsense go? Wouldn't a competent interviewer respond: "Really? Then why did Sweden and Brazil completely skip flu season too?" Image
Extra rich coming from the guy who warned about twindemic months after it was clear flu was gone everywhere COVID was epidemic.

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More from @kerpen

May 22
Fauci's fixer David Morens: "I learned from our foia lady here how to make emails disappear after I am foia'd but before the search starts, so I think we are all safe."
zaob78xab.cc.rs6.net/tn.jsp?f=001Hh…
Image
Foia lady is "an old friend, Marg Moore, who leads our FOIA office and also hates FOIAs." Image
Morens deleted all emails related to origin "when the sh-- starting hitting the fan." Image
Read 9 tweets
Jan 31
Infamous coronamaniacal anti-schooler, child-masker lockdown advocate Gavin Yamey is editing COVID lessons for the election???

Why not somebody who didn't get everything wrong? Image
I mean... Image
Dude was a hostage-taker: Image
Read 4 tweets
Dec 28, 2023
The Collins video is here. He is absolutely grotesque.
In 2023, Collins dismisses Sweden (lowest all-cause excess mortality in Europe) based on a few months in early 2020.
Collins "infinite value" quote transcribed. Image
Read 4 tweets
Mar 29, 2023
Huge Senate votes tomorrow on @RogerMarshallMD bill to terminate the COVID national emergency (how many of the 12 Dems who voted yes for identical bill in November will flip??) and @SenCapito bill to ban Biden's insane WOTUS rule that lets EPA/Army Corps call anything a wetland.
These are both privileged measures that cannot be filibustered. Candidates for Biden vetoes #2 and #3.
(But I also thought he would veto the DC crime bill and he didn't. It never hurts to make him do it.)
Read 4 tweets
Mar 3, 2023
I am told @DjokerNole doesn't want a waiver; he wants the ban lifted for everyone.

Why does Old Joe still have this insane policy in place, when his own CDC said NPIs should not differentiate based on vaccine status back in August???
cdc.gov/mmwr/volumes/7…
If @DjokerNole changes his mind about coming to the US before Biden ends his ban, there is an easy way to get to Miami: take a ferry from the Bahamas, which violates neither the CDC/FAA air travel mandate nor the DHS land/ferry mandates, which are specific to Canada and Mexico.
Read 4 tweets
Mar 3, 2023
He's a liar.

They found a combined total of 20 fewer cases in the 300 masking intervention villages in two months.

More than explained by observation bias.

trialsjournal.biomedcentral.com/articles/10.11…
Even taken at face value (and ignoring that more distancing was observed in the masking intervention villages) the effect size as so small that it loses significance in pooling (see Cochrane) even though it was by far the largest study.
(And I've still never gotten an explanation of how the Bangladesh study apparently lost 15,000 baseline blood samples.)
Read 4 tweets

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