If you actually want to create pandemics, then build factory farms.Bird Flu: A Virus of our Own Hatching, Dr Michael Gregor (2006)
While it is true that many infectious diseases that have wreaked havoc on humans have come from animals, it is not entirely the case that ending the consumption of animals would put an end to such diseases. Limiting contact with animals, even assuming they are not being consumed by humans, would be necessary to lessen the chances that viruses and other pathogens transfer between species and infect humans.Fact check: Is COVID-19 caused by human consumption of animals?
Large scale meat production increases the pandemic risk. Here are some videos that look at various aspects of the origin of pandemics.