Most flu vaccines are produced from fertilized chicken eggs, a decades-old process that takes four to five months. The mRNA process is much faster.
Developing a vaccine is laborious, said Harvey Fineberg, a former president of the U.S. Institute of Medicine and former dean of the public-health faculty at Harvard University. Other companies are pursuing other technologies. GlaxoSmithKline is working with China-based Clover Biopharmaceuticals through a different process to produce a cell-based vaccine.
“The biggest challenge we face in the United States is not developing a vaccine, tricky as that step is,” Coons said in a statement. “It’s that we lack the domestic manufacturing capacity to quickly produce a vaccine once it’s proven and deliver it to the American people.” William Schaffner, professor of infectious diseases at Vanderbilt University, said one reason to change vaccine production is that growing the vaccine in eggs allows mutations that make it less effective.
Not true , you have lied to Am ppl again SophiaLipschul1
Most of us do. I take Vitamin E as well.
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