I don't know for the Pfizer vaccine, but at least the Oxford and the Sinovac candidate vaccines have been tested in animals: the former should (according to a N

I don't know for the Pfizer vaccine, but at least the Oxford and the Sinovac candidate vaccines have been tested in animals: the former should (according to a New York Post article) send their results for peer review soon, the latter has a preprint on biorxiv.