mRNA technology have been under research and development for decades. We're lucky as hell it was ready for its moment to shine when COVID hit. It is now also being used to develop protection against HIV, which would be incredible.
The Long History of mRNA Vaccines
https://publichealth.jhu.edu/2021/th...-mrna-vaccines
Quote:
Remember, the COVID-19 pandemic spurred manufacturers to develop dozens of potential vaccines against SARS-CoV-2 and brought tremendous increases in funding. Some of those vaccines used traditional methods involving adenovirus as the spike protein delivery system—such as the Johnson & Johnson vector vaccine.
Thanks to decades of research and innovation, mRNA vaccine technology was ready. With COVID, this technology got its moment and has proven to be extremely safe and effective. Pfizer’s COVID-19 vaccine is the first mRNA product to achieve full FDA approval in the U.S.
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Once again, science wins (like it always does and always will).