Researchers developed a substance that boosted the immune response to an experimental COVID-19 shot in mice by 25 times, compared to injection with the vaccine alone.
Enhancing the Effect of Protein-Based COVID-19 Vaccines
Ironically, some vaccines need their own “boosters.” An ingredient called an adjuvant can be added to vaccines to help elicit a more robust immune response, better training the body to fight a pathogen. Scientists report a substance that boosted the immune response to an experimental An adjuvant is an ingredient used in some vaccines, which helps recipients of the vaccine develop a greater immunological response. Adjuvants, in other words, make vaccinations more effective.
Even though the first COVID-19 shots authorized in the U.S. apply cutting-edge mRNA genetic technology, the tried-and-true strategy of using proteins from the pathogen can produce vaccines that are less expensive to make and easier to store. So far, the U.S. Food and Drug Administration (FDA) has authorized only one protein-based vaccine, made by Novavax, against
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