How flu shot manufacturing forces influenza to mutate -- MEDICA Trade Fair

How flu shot manufacturing forces influenza to mutate

11/10/2017

Image: The L194P egg-adaptive mutation; Copyright: Wilson Lab

As H3N2 influenza has become more prevalent, scientists formulating the seasonal flu vaccine have sought to include this virus and teach the human immune system to fight it. Despite this effort, recent flu vaccines have proven only 33 percent effective against H3N2 viruses.