“…our finding does not establish a causal relationship and further virological work will be needed to test this hypothesis directly,"
China has one of the largest vaccination programs for H5 bird flu, vaccinating billions of poultry annually.
“Since 2005, China has implemented a nationwide vaccination program and is responsible for >90 percent of the global consumption of H5 AIV vaccines,” the researchers said.
Bird Flu: Vaccines May Drive Virus Evolution
They’re already doing it lmao