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>Again, this "advance" just lets us maintain the normal better.
This really depends on what the "normal" means, for you. If the normal is just "able to produce a vaccine", then yes in a very broad sense, you're right, but the speed at which the vaccine was made was dependant on plenty of technology and processes that did not exist just a few years ago; mRNA vaccines were tested in animals from the 1990s, there was a lot of excitement and companies being built around it for human use in the 2000s and 2010s, but nothing really came to fruition until 2020.
Other recent biotech breakthroughs include CRISPR. Though the acronym strictly refers to understanding a pattern in DNA, it's usually used synonymously with Cas9 or CRISPR-Cas9, a new technology allowing us to edit genes within organisms.
I would say that, based on CRISPR alone, we are going to see some pretty wild and unexpected advances.