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COVID-19 vaccine technology may help fight influenza

 


October 11, 2021-Pharmaceutical companies are working on the development of an influenza vaccine that uses the same mRNA technology that led to the success of the Moderna and Pfizer / BioNTech corona virus vaccines. New York Times report.

French companies Moderna and Sanofi began testing the mRNA flu vaccine this summer, and Pfizer / BioNTech began testing last month, The Times said. The British company Seqirus plans to test the mRNA flu vaccine next year.

Influenza, which may appear to be a seasonal stimulant, especially when compared to the COVID pandemic, kills a large number of people around the world each year. In the United States, influenza kills 12,000 to 52,000 Americans each year, said CDC director Rochelle Walensky, MD, who recently advised people to be vaccinated against the flu.

Current flu vaccines are not as effective as health officials want. According to The Times, between 2004 and 2019, influenza vaccine efficacy ranged from 60% to 10%, and the 2018-19 influenza season vaccine efficacy was only 29%.

“The bottom line is that we don’t have enough flu vaccines,” Nicholas Heaton, a virologist at Duke University School of Medicine, told the Times.

Current influenza vaccines have been cultivated on chicken eggs for several months. Scientists sometimes look at four different flu strains and need to predict which one is expected to be the major strain of the season before the flu season actually begins.

“This is a knowledge-based guessing game,” said Dr. Alicia Widge, an immunologist at the Vaccine Research Center at the National Institutes of Health. “We are always catching up with the virus.”

RNA vaccines can be created quickly, as shown in the development of Pfizer and Moderna COVID-19 vaccines. It allows scientists to use this technology to create influenza vaccines that may be released near the onset of the flu season, providing a better match with the ever-changing flu virus. Means to do.

According to The Times, researchers are also trying to develop combination shots that will be used to fight COVID, the flu, and other viruses.

Americans have long hesitated about the flu vaccine, but the COVID pandemic seems to have made more people vaccinated against the flu.

In 2019-2020, 48.4% of adults in the United States were vaccinated against the flu. Centers for Disease Control and Prevention report. This increased by 3.1 points from the previous year.

By comparison, according to the CDC, 62.5% of the US population has been vaccinated with at least one COVID vaccine, 56.3% have been fully vaccinated, and 3.9% have been boosted.

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Sources

1/ https://Google.com/

2/ https://www.webmd.com/vaccines/covid-19-vaccine/news/20211010/covid-19-vaccine-technology-may-help-combat-the-flu

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