Op-Ed: What will it take to make a universal COVID vaccine?
2 years, 9 months ago

Op-Ed: What will it take to make a universal COVID vaccine?

LA Times  

As California emerges from Omicron, other places are again in lockdown or facing record caseloads after trying and failing to avoid the variant. Since this protein is so prone to mutation, making it harder for the body to recognize in future variants, a more universal vaccine must target parts of the virus that are shared among several viruses in the family — often essential components that are less likely to mutate. And we’re not sure if the mRNA format, which emerged as a vaccine strategy after decades of development, is best against the next new pathogen, compared with other vaccine approaches such as using nanoparticles that allow more options for vaccine formulations, weakened or killed viruses, or viral vectors that contain a greater variety of molecules and may trigger protective viral-sensing mechanisms. To handle these complexities, we’ll need all kinds of experts — including in developing novel vaccine formats to elicit an effective, long-lasting immune response and in understanding the vaccine components that cause immune cells to spring into action. Since vaccines typically don’t make much money — a good lifelong vaccine might be administered once, and for much of the world it needs to be donated — federal governments and large philanthropic organizations have to front most of the investment.

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