Respuesta :
The technological advances that has improved flu vaccines is the cell-based culturing B
What is the cell-based culturing technique?
The cell-based culturing is described as a continuous process of developing substrates for safe production of viral vaccines.
It uses animal cells as host for growing flu viruses in place of fertilized eggs.
It also helps in more rapid production of vaccines and allows the vaccine to be given to people with allergies.
Therefore, the technological advances that has improved flu vaccines is the cell-based culturing B
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