Antivaxxers are now urging vegans not to use a COVID-19 vaccine because blood from horseshoe crabs will be used in its manufacture. This is no different than their weaponization of beliefs against other vaccine ingredients.
![Horseshoe crab](https://i0.wp.com/www.respectfulinsolence.com/wp-content/uploads/2020/08/horseshoecrab.jpeg?fit=1200%2C800&ssl=1)
Antivaxxers are now urging vegans not to use a COVID-19 vaccine because blood from horseshoe crabs will be used in its manufacture. This is no different than their weaponization of beliefs against other vaccine ingredients.