Alternative methods, such as tests on cell cultures in the laboratory, could provide similarly reliable data on product safety as animal tests. The task now is to convince the regulatory authorities of the benefits of these methods. In Canada and the United States, she said, this has already been achieved to some extent.
Source and further information:
https://www.zeit.de/news/2023-05/26/merck-chefin-garijo-fuer-ausstieg-aus-tierversuchen?utm_referrer=https%3A%2F%2Fwww.ecosia.org%2F