Clinical

Vaccines effective against Delta variant

According to the findings of a nationwide research, COVID-19 vaccinations are effective at reducing hospitalizations and emergency department visits caused by the Delta variant. Additionally, the research indicates that Moderna’s vaccination is considerably more effective against Delta than the vaccines developed by Pfizer and Johnson & Johnson combined. In the presence of the new COVID-19 variant, “these real-world data demonstrate that vaccines continue to be highly effective at reducing COVID-19-related hospitalizations and emergency department visits, according to the study’s lead author Shaun Grannis, MD, M.S., vice president for data and analytics at the Regenstrief Institute and professor of medicine at Indiana University School of Medicine. “We strongly encourage everyone who is eligible to be vaccinated in order to minimize the risk of severe disease and alleviate the load on our healthcare system.” The VISION Network of the Centers for Disease Control and Prevention (CDC) examined more than 32,000 medical contacts from nine states during the months of June, July, and August 2021, when the Delta form of the virus became the most prevalent strain. As a consequence, unvaccinated people with COVID-19 are 5-7 times more likely to need emergency department treatment or hospitalization, which is comparable to the overall efficacy of the vaccine prior to the variation being introduced. The research published in the Morbidity and Mortality Weekly Report is also the first analysis from the VISION Network to demonstrate a significant difference in the efficacy of mRNA vaccines compared to other vaccinations (Moderna and Pfizer). During the study’s time span, the following occurred:
The medication Moderna was shown to be 95 percent effective in avoiding hospitalizations in people aged 18 and older.
When it comes to reducing hospitalizations among people 18 and older, Pfizer was shown to be 80 percent effective.
The prevention of hospitalizations among people aged 18 and older was 60 percent successful when Johnson & Johnson was involved.

In addition, the study discovered that vaccination efficacy is reduced in individuals over the age of 75, which had not been previously shown in prior studies. This may be attributed to a variety of variables, including the length of time that has passed since the vaccine. When it comes to avoiding trips to the emergency room and urgent care facilities, research revealed that:

Moderna was 92 percent successful in its treatment.

Pfizer had a 77 percent success rate.

Johnson & Johnson had a 65 percent success rate in the market.

According to the scientists, additional monitoring and assessment of these results are required.

Doctor Grannis said that “despite variations in efficacy, vaccinations continue to provide much greater protection than not receiving a vaccine at all.” “Despite the fact that breakthrough instances do occur, evidence indicates that the symptoms are less severe. The overwhelming majority of COVID-related hospitalizations and fatalities continue to occur among those who have not been vaccinated. The COVID-19 vaccinations are very effective in the fight against the pandemic.”

https://medicalxpress.com/news/2021-09-vaccines-effective-delta-variant.html

Categories: Clinical