The epidemiological relevance of the COVID-19-vaccinated population is increasing
High COVID-19 vaccination rates were expected to reduce transmission of SARS-CoV-2 in populations by reducing the number of possible sources for transmission and thereby to reduce the burden of COVID-19 disease.
Recent data, however, indicate that the epidemiological relevance of COVID-19 vaccinated individuals is increasing.
In the UK it was described that secondary attack rates among household contacts exposed to fully vaccinated index cases was similar to household contacts exposed to unvaccinated index cases (25% for vaccinated vs 23% for unvaccinated). 12 of 31 infections in fully vaccinated household contacts (39%) arose from fully vaccinated epidemiologically linked index cases. Peak viral load did not differ by vaccination status or variant type [[1]].
In Germany, the rate of symptomatic COVID-19 cases among the fully vaccinated (“breakthrough infections”) is reported weekly since 21. July 2021 and was 16.9% at that time among patients of 60 years and older [[2]]. This proportion is increasing week by week and was 58.9% on 27. October 2021 (Figure 1) providing clear evidence of the increasing relevance of the fully vaccinated as a possible source of transmission.
A similar situation was described for the UK. Between week 39 and 42, a total of 100.160 COVID-19 cases were reported among citizens of 60 years or older. 89.821 occurred among the fully vaccinated (89.7%), 3.395 among the unvaccinated (3.4%) [[3]]. One week before, the COVID-19 case rate per 100.000 was higher among the subgroup of the vaccinated compared to the subgroup of the unvaccinated in all age groups of 30 years or more.
In Israel a nosocomial outbreak was reported involving 16 healthcare workers, 23 exposed patients and two family members. The source was a fully vaccinated COVID-19 patient. The vaccination rate was 96.2% among all exposed individuals (151 healthcare workers and 97 patients). Fourteen fully vaccinated patients became severely ill or died, the two unvaccinated patients developed mild disease [[4]].
The US Centres for Disease Control and Prevention (CDC) identifies four of the top five counties with the highest percentage of fully vaccinated population (99.9–84.3%) as “high” transmission counties [[5]]. Many decisionmakers assume that the vaccinated can be excluded as a source of transmission. It appears to be grossly negligent to ignore the vaccinated population as a possible and relevant source of transmission when deciding about public health control measures.
Author Contribution statement
GK as the sole author of this Letter, contributed to all aspects of the text.
Declaration of Competing Interests statement
The author has no competing interests to declare
References
- [1].
- Singanayagam A
- Hakki S
- Dunning J
- et al.
- [2].Robert Koch-Institut. Wöchentlicher Lagebericht des RKI zur Coronavirus-Krankheit-2019 (COVID-19). AKTUALISIERTER STAND FÜR DEUTSCHLAND 22. Juli 2021. https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Situationsberichte/Wochenbericht/Wochenbericht_2021-07-22.pdf?__blob=publicationFile (accessed 28. September 2021).
Martin comments: Confirms what I have been trying to tell all my “invincible” vaccinated friends and workmates. They are headed for trouble. The vaccine passport system is a sham. Mind you, the Delta variant has almost run its course and the new boogeyman, Omicron, is far milder. Long after any actual pandemic has fizzled out, those having snapped up their vaccine passports will still be trapped in the digital prison.
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Speaking in a November 12 address, WHO director general Tedros Adhanom Ghebreyesus said
“It’s another reminder, as we have said again and again, that vaccines do not replace the need for other precautions. Vaccines reduce the risk of hospitalisation, severe disease and death. But they do not fully prevent transmission … no country can simply vaccinate its way out of the pandemic.”
https://www.nzherald.co.nz/world/covid-19-delta-outbreak-gibraltar-cancels-official-christmas-celebrations-amid-exponential-rise-in-cases/DK4P3SYBWE3YJWISVCMILPVREI/
WHO’s CCP stooge speaking truth for a change. Wonders never cease.
plausible deniability! Just like the WHO saying “lockdowns” shouldn’t happen!
“plausible deniability”, or as I call it; “Ass covering”.
Sooner or later anyone with half a brain is going to do the math and figure out things aren’t adding up.
Story out there at the moment about a cruise ship, fully vaxxed passengers only of course, and COVID running rampant aboard. I’ll track down an item on that and other stories of a similar ilk.
On top of that we have all the adverse reaction cases filling the hospitals. What a mess.