The widespread public health crisis caused by Covid-19 raises serious concerns about the risks of zoonotic diseases—those that jump from animal species to humans and crop up in unexpected ways, with serious consequences. Other zoonotic diseases, including Ebola, MERS, HIV, bovine tuberculosis, rabies and leptospirosis cause over 2 billion cases of human illness and more than 2 million human deaths each year, according to several organizations, including the International Fund for Animal Welfare and the…