New research suggests immunity from Moderna COVID-19 vaccine lasts 6 months or longer

Published by BBN Staff at April 7, 2021

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Posted: Wednesday, April 7, 2021. 9:54 am CST.

By Zoila Palma: A new research on COVID-19 vaccines, Pfizer and Moderna indicate that they are highly effective in preventing COVID-19 and that the vaccines maintain their effectiveness over time, Healthline reports.

However, they haven’t indicated for how long the vaccines prevent the virus and if booster shots may also be needed.

The US Centers for Disease Control and Prevention (CDC) studied almost 4,000 vaccinated healthcare personnel, first responders, and other essential and frontline workers.

During their study, they noted that the Moderna vaccine developed by pharmaceutical companies Pfizer-BioNTech and Moderna prevented 80% of cases after the first dose and 90% after the second dose.

For 13 weeks, the frontline workers in the study were tested for COVID-19 weekly.

The research indicated that the vaccines proved to reduce the risk of COVID-19 transmission by vaccinated individuals to others.

The company, Pfizer-BioNTech also shared that the ongoing phase 3 clinical trial of its mRNA vaccine shows that strong immunization persists for at least 6 months among vaccinated individuals.

Testing its effectiveness against one of the main variants in South Africa, the vaccine was also found to be 100% effective against it.

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