No Increased Risk of Serious Diseases for COVID-19 Vaccinated

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Definition

Vaccination

Immunization is the process by which a person becomes protected against a disease through vaccination. This term is often used interchangeably with vaccination or inoculation. Vaccination is administering a vaccine to help the immune system develop immunity from an illness. Vaccines contain a microorganism or virus in a weakened, live, or killed state or proteins or toxins from the organism. Stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. Vaccines are usually administered through needle injections, but some can be administered by mouth or sprayed into the nose.

Main Digest

COVID-19 Vaccination Did Not Increase the Risk of Potentially Related Serious Adverse Events: 18-Month Cohort Study in an Italian Province - Vaccines.

COVID-19 vaccines did not cause an increased risk of adverse events such as heart attack, stroke, cardiac arrest, myocarditis, pericarditis, and deep vein thrombosis. This was revealed by a study published in the journal Vaccines. The study was coordinated by Lamberto Manzoli, a medical epidemiologist and professor at the Department of Medical and Surgical Sciences of the University of Bologna.

The research also involved scientists from the University of Ferrara and the Local Health Authority (ASL) of Pescara. It monitored the entire population of the Italian province of Pescara for eighteen months, from January 2021 to July 2022. Researchers collected inhabitants' health data and analysed the frequency of a number of serious diseases such as cardiovascular disease, pulmonary embolism and thrombosis. The investigation showed that none of the diseases examined were found to be more frequent among the vaccinated than among the non-vaccinated.

"The results obtained clearly show that there was no increased risk of serious diseases among the vaccinated," says Manzoli. "There were isolated adverse cases, but the safety profile of the vaccines used during the pandemic was confirmed: it is now important to continue the follow-up over a longer period."

The study is currently the only one in the world that monitored the population for more than a year, taking into account numerous factors including age, gender and clinical risk of the participants. More specifically, the results obtained show that both deaths registered and the occurrence of the diseases examined were less frequent among vaccinated persons, regardless of gender, age and clinical risk profile.

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The analysis also confirmed that vaccinated persons who contracted COVID-19 were more protected against the coronavirus than those who recovered after contracting the disease but were not vaccinated. Conversely, a higher incidence of the diseases considered was found among those who had not contracted COVID-19 and had only one or two doses of the vaccine, compared to those who had three or more doses.

"This counterintuitive finding is due to an epidemiological bias caused by the restrictions implemented during the emergency," explains Manzoli. "The data gathered show that 83.2 per cent of the vaccinated population who did not contract COVID-19 received at least three doses of vaccine. Those who received only one or two doses did not complete the vaccination cycle either because they died or because they were deterred by the onset of a disease."

About the Research

The study was published in the journal Vaccines under the title "COVID-19 Vaccination Did Not Increase the Risk of Potentially Related Serious Adverse Events: 18-Month Cohort Study in an Italian Province". The investigation was coordinated by Lamberto Manzoli, professor at the Department of Medical and Surgical Sciences of the University of Bologna, and was conducted together with Maria Elena Flacco and Cecilia Acuti Martellucci of the University of Ferrara, Graziella Soldato, Giuseppe Di Martino, Roberto Carota, Marco De Benedictis, Graziano Di Marco, Giustino Parruti, Rossano Di Luzio and Antonio Caponetti of the ASL di Pescara (Local Health Authority of Pescara).

Attribution/Source(s):

This peer reviewed article relating to our Immunization and Vaccines section was selected for publishing by the editors of Disabled World due to its likely interest to our disability community readers. Though the content may have been edited for style, clarity, or length, the article "No Increased Risk of Serious Diseases for COVID-19 Vaccinated" was originally written by Università di Bologna, and published by Disabled-World.com on 2023/02/13. Should you require further information or clarification, Università di Bologna can be contacted at unibo.it/en/homepage. Disabled World makes no warranties or representations in connection therewith.

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