Egg-based flu vaccines.
A very thorny issue. The production of these vaccines undoubtedly involves animal rights violations.
Even if you are healthy and think you can do without the vaccine, getting vaccinated helps contain the spread of the disease (herd immunity) and protects immunocompressed persons.
Getting vaccinated is important.
➡️➡️ Meanwhile, is necessary to support the search for animal free alternatives.
See video from BBC about a facility producing flu vaccines with the use of eggs:
Note: no anti vaxx conspiracy comments.