Study Confirms mRNA 'Boosters' Cause Non-Covid Illness to Surge

A major new study has confirmed that mRNA “booster” injections cause Covid and other “influenza-like illnesses” (ILI) to surge, leading to dramatic increases in the number of sick days recorded among the “vaccinated.”

The large Swiss study has found that Covid mRNA “booster” shots resulted in the opposite of the intended effect.

The researchers warn that the “vaccines” caused a significant increase in non-Covid ILI and lost workdays, raising fresh concerns about the safety and effectiveness of the technology.

Perhaps unsurprisingly, they also found that COVID-19 spiked among the mRNA-boosted.

The peer-reviewed research tracked 1,745 healthcare workers (HCWs) across nine hospital networks from November 2023 to April 2024.

The study was led by Dr. Tamara Dörr of Cantonal Hospital St. Gallen, Switzerland.

The results of the study were published in Communications Medicine (Nature Portfolio).

It was designed to determine whether Covid boosters reduce respiratory illness risk among hospital staff during peak transmission periods.

Instead, the findings show the opposite trend:

Increased Illness Risk:

Three doses: 56% higher risk of ILI vs. unvaccinated (aIRR 1.56, 95% CI 1.22–2.03)
Four doses: 70% higher risk (aIRR 1.70, 95% CI 1.27–2.28)
Strongest association when vaccination was more recent (aIRR 1.32, 95% CI 1.07–1.62)

Increased Sick Leave:

Three doses: 49% more workdays lost
Four doses: 50% more workdays lost

By contrast, the seasonal influenza vaccine was linked to decreased illness and fewer days lost.

The finding highlights a stark difference between traditional vaccines and the Covid mRNA “booster” platform.

The researchers used multivariable regression and inverse probability of treatment weighting (IPTW) to account for potential confounding factors such as age, comorbidities, prior COVID-19 infection, and influenza vaccination status.

Sensitivity analyses confirmed the results were not simply due to selection bias.

The study found no protective benefit of Covid boosters in this working-age healthcare population.

Instead, there was a “massive short-term increase in respiratory illness risk,” with measurable workplace impact.

The authors stress the need for urgent follow-up research to explore the mechanisms behind the findings.

Epidemiologist Nicolas Hulscher, writing for the McCullough Foundation’s Focal Points, called the results “the eighth major analysis” showing mRNA boosters are associated with increased infection risk, citing similar negative-effect findings from seven other studies worldwide.

Hulscher listed the following seven studies with similar findings:

Shrestha et al. (Cleveland Clinic) – COVID-19 risk increased with dose count:

1 dose → +107% risk (HR 2.07, 95% CI: 1.70–2.52)
≥3 doses → +253% risk (HR 3.53, 95% CI: 2.97–4.20)

Feldstein et al. (CDC) – Pfizer-vaccinated children without prior infection:

+159% risk of infection (HR 2.59, 95% CI: 1.27–5.28)
+257% risk of symptomatic COVID-19 (HR 3.57, 95% CI: 1.10–11.63)

Perez et al. – More mRNA doses → IgG4 antibody levels ↑ 11× → 1.8× higher infection risk.
Ioannou et al. – Vaccine effectiveness against infection was -3.26% (95% CI: -6.78% to -0.22%) — meaning higher infection rates in the vaccinated group.
Nakatani et al. – Vaccinated individuals had +85% infection odds vs. unvaccinated (OR 1.85, 95% CI: 1.33–2.57).
Eythorsson et al. – 2+ doses → +42% reinfection risk vs. ≤1 dose (95% CI: 1.13–1.78).
Chemaitelly et al. – Effectiveness against Omicron BA.1 & BA.2 infections turned negative within 7 months:

Pfizer: 46.6% → -17.8%, 51.7% → -12.1%
Moderna: 71.0% → -10.2%, 35.9% → -20.4%

“These data make it clear: mRNA technology for infectious diseases is acting as an infection promoter,” Hulscher wrote.

“It’s time to return to common-sense public health principles and remove this dangerous gene-transfer platform from the market.”

The results raise serious questions about the continued push for annual Covid mRNA boosters in low-risk, working-age populations, especially in sectors critical to public safety, such as healthcare.

These findings follow another recent study that confirmed excess deaths are skyrocketing among those who received Covid mRNA “vaccines.”

As Slay News reported, the bombshell global study of 2.7 billion people concluded that all excess deaths during or after the pandemic were caused by mRNA injections and not COVID-19.

The study determined that COVID-19 did not cause any excess deaths, despite widespread claims to the contrary from health agencies around the world.

However, the same explosive study has revealed that Covid mRNA shots, which were supposedly unleashed on the public to tackle the virus, have caused millions of excess deaths globally.

The researchers analyzed excess mortality across the world during the pandemic years of 2020 to 2023.

The study found that the COVID-19 virus itself did not cause any increase in excess death rates.

Excess mortality is a term used in epidemiology and public health that refers to the number of deaths from all causes during a crisis above and beyond what we would have expected to see under “normal” conditions.

The authors identify three primary causes of death associated with the excess all-cause mortality over this period.

Those causes are:

Mandated measures such as lockdowns and masking
Harmful medical interventions, such as the use of ventilators and the denial of the use of antibiotics
Covid mRNA “vaccines”

The comprehensive 521-page report contains hundreds of figures and a detailed examination of excess all-cause mortality during the years 2020 to 2023 in 125 countries.

The dataset analysed by the researchers comprises approximately 2.7 billion people, which is about 35% of the world’s population.